Top 10 Best Kitchen Sink Water Filter

. Dedicated Faucet By means of the dedicated faucet, this countertop water filter can deliver pure water for drinking and cooking, and tap water for washing fruits and vegetables separately. Attention This system is designed for standard water faucets only and will not fit special or uniquely shaped faucets. Please verify the compatibility with your home faucet before purchasing to avoid installation issues. Additionally, only the WD-CFF-03 filter can be used with this system.. NSFANSI 372 Certified Trust in a product that is rigorously tested and certified for your family's health. This countertop water purifier has been certified by IAPMO RT against NSFANSI 372 0.25 lead.. 4,000-Gallon Long Lifespan The Waterdrop faucet water filter delivers long-lasting performance, effectively filtering up to 4,000 gallons of water or providing 6 months of service before requiring a replacement, reducing your environmental footprint by less waste. It comes with a mechanical life recorder to track filter usage. Align the start month when you install this filter, and it'll help record the replacement time. Never miss the replacement of your filters.. Advanced Filtration Utilizing advanced filtration technology, this Waterdrop water filter for sink faucets filter effectively reduces contaminants such as chlorine, taste and odor, colloids, rust, sediment, heavy metals and more, tested by a third-party lab, ensuring every drop of water you consume is clean and safe.. Easy Installation Just attach it to your faucet. Say goodbye to complicated setups with our user-friendly faucet water filter. No tools are required for installation, and the process can be completed in 1 minute. This hassle-free setup allows you to quickly enjoy the benefits of purified water without the need for professional assistance, making it an ideal choice for busy households..

More filters, better taste This under sink filter system comes with 3 filters and can realize 8-stage deep filtration to reduce PFAS, PFOAPFOS, residual chlorine, fluorides, heavy metals, silt, rust, cyst, etc. Its KDF materials can effectively reduce heavy metals. Its fluoride reduction resin reduces 97 of fluorides. This filter has passed IAPMO certification to reduce residual chlorine and improve taste, thereby ensuring every drop is pure and healthy. It also can retain minerals, but cannot reduce TDS.. No leaking or cracking with highly precised technique The under counter water filter adopts strong materials with an upgraded design. In addition, the age-resistant and freeze-resistant materials make the system twice thicker. The under sink water filter system has also passed 400 psi burst pressure, 100,000 pulse tests at 150 psi, and static tests at 300 psi. These tests prove that the durable integral design clears up worries about cracking cases and leaking issue.. Solve Clogging Problem By upgrading the filtration area, our filter now provides a 20X increase in dirt adhesion area, enhancing filtration capability while minimizing the risk of clogging.. Lifespan of up to 18 months The three under sink water filters have lifespans of 6 months, 8-12 months, and 12-18 months, respectively. This under sink water filter system has a long lifespan.. 3min installation, 3s replacement This under counter water filter system for kitchen works perfectly with 38 and 12 cold water tubes. The overall installation process does not require the help of a plumber This under sink water filter is a simple DIY. With innovative push-to-connect fittings, the installation takes less than 3 minutes, with no plumbing experience. In addition, the twist-and-lock design lets you replace each filter in just 3 seconds.. Separate water dispensers for different needs The under sink water filer system comes with a lead-free brushed stainless faucet, where you can fill a 12 oz cup of water in 5s. In addition, you can use separate water dispensers for different purposes, especially when you dont need purified water. For example, you can use your original faucet to wash fruits and vegetables. The under sink filter system meets your dual need for both purified water and source water..

Taste the difference in our water 0.01 micron Waterdrop Ultrafiltration Membrane, This under sink water filtration system filters chlorine, PFAS, taste, odor, fluoride, and heavy metals, offering enhanced taste.Buying bottled water 5 gallons at a time is costly and problematic, no more big bottles of water on your counter.. Smart Lifespan Reminder Sleek black panel with four lights indicates will tell you when to change the filters.. Alternative to Reverse Osmosis RO Systems This under sink water filter system retains essential minerals in the water, do not reduce TDS. No wasted water, no need for a 110V power source, and no pressure drop just pure, filtered water.. 24 month filter lifespan UF filter with a 24-month lifespan reduces replacement frequency, minimizing long-term maintenance costs.CT filter 12 months,PP filter 6 months.. Slim Space-Saving Dimensions of 4.68W x 13.97H x 14.81L fit small spaces, suitable for cabinets even with a large food disposal taking up a lot of space.. Easy Installation everything needed to install filter is included in the box,this under sink water filter accommodates both 12 and 38 under sink water pipes.. Premium Nickel Faucet High-quality brushed nickel faucet adds elegance and durability to your kitchen.. Certified Safe Materials IAPMO NSFANSI 372 certified for food-grade lead-free, BPA-free construction.. Eco-Friendly Operation No wastewater, no drain line needed, making it an environmentally conscious choice.. Reliable Support Enjoy peace of mind with our comprehensive after-sales service. Contact our brand anytime during installation or use for prompt assistance, ensuring a worry-free experience..

EFFICIENT FILTRATION BETTER TASTE This product elevates your water game, giving you a taste that's better than your run-of-the-mill bottled water. And forget about that pricey coffee jointbrew up java at home that'll knock your socks off. Plus, if you've got a little one, whip up some delicious milk powder or drinks in a jiffy.. SIMPLE INSTALLATION Hook it up directly to your 38 or 12 home water pipe. If you're a DIY pro, you'll breeze through setup. Not a handyman No sweatwe've got handy installation videos and instructions, plus our customer service team is on standby to answer any questions.. FAST AND STABLE WATER FLOW Ain't nobody got time to wait around for water. With a flow rate of up to 1.59GPM, this filter fills up an 8-ounce cup in just 2.3 seconds. It's lightning-fast and stays steady, so you can whip up meals or mix baby formula in record time.. LONG FILTER LIFE AND MORE GOOD FOR THE ENVIRONMENTThese filters are built to last. The PP filter goes strong for 6-8 months, the UF filter for a year, and the CT filter for 12-24 months. Plus, by cutting down on plastic casing changes, we're saving Mother Earth from 500,000 pounds of waste each yearthat's enough space to plant 20,000 trees. FILTERS LARGE VOLUME OF SUBSTANCES This product has 6 layers of top-notch filter materials, including a precision ultrafiltration membrane that can reduce impurities larger than 0.01 microns. Say goodbye to chlorine, heavy metals, funky odors, and more.. MULTIPLE PLACEMENT OPTIONS Stick it on the floor or hang it on the wallthis filter's as versatile as they come. And if you're short on space, slap it right onto your faucet without any extra drilling.. HIGH-QUALITY AND STURDY MATERIALS Crafted from tough, lead-free 304 stainless steel, this baby is built to last. Plus, it's got a sleek look and a thick sealing ring to keep leaks at bay. And did we mention it's saving the planet from a boatload of plastic waste. NOTE CANNOT REDUCE TDS Just a heads-upthis filter won't reduce TDS. This product will retain some beneficial minerals for our bodies, such as potassium, calcium, sodium, and magnesium. And hey, we're keeping it natural with coconut shell raw materials. But if you've got a coconut allergy, steer clear..

Damage-free installation Say goodbye to drilling and compatibility concerns. The simple plug-and-twist design makes it great for renters. It also guarantees a hassle-free, quick installation of this under sink water filter system.. NSFANSI certified The under sink water filter is NSFANSI 42 certified to reduce chlorine, taste, and odor and NSFANSI 372 certified for containing lead-free materials. Besides, it can reduce PFAS, PFOAPFOS. Every drop of water is clean and safe.. Healthy hydration Our 51 stage advanced filtration technology reduces harmful substances and adds essential minerals. Drink with confidence, nourish your body, and live a healthier lifestyle. NOTE This system DOES NOT lower TDS value because it adds beneficial minerals to the water.. Safe materials The under sink water filter system is made from food-grade stainless steel that is rust-resistant, durable, and leak-proof. The system maintains water purity while providing long-lasting reliability.. Long-lasting service life Unlock a year of pure, filtered water with our under sink water filters 12-month filter lifespan No more constant replacement, just continuous peace of mind..

. Does not fit pull-out, hand-held, spray style faucets or faucets with sensor. Please verify if our product suits your faucet before purchase per the detailed instructions in product pictures..   This faucet water filter is specially designed to care for your skin and helps relieve skin irritation and sensitivity and keep skin hydrated by reducing irritants and contaminants in your tap water. Note 3 replacement filters are now available for purchase Please search for B07C3LFJR2 Ultra. This system does not reduce TDS values. If you're looking to lower the TDS value, we recommend choosing the Waterdrop RO system instead.. -  This faucet filter for skin adopts 4-stage efficient filtration by its 0.01 m ultrafiltration, this water filter can intercept most irritants in your tap water while its activated carbon fiber can reduce chlorine, taste and odor and chemicals that irritate your skin, thereby providing purer and cleaner water to better care for your skin.. This water filter for sink has been certified by NSF International against NSFANSI 372 to ensure the safety of the purified water, bringing more peace of mind. Cleaner and purer water is always within your reach.. This faucet water filter can be easily installed within minutes with no extra tools required. Please note that the filter fits typical faucets Male threaded 1516, 1316, M21.5 or M18.5 Female threaded 55564 or M18.5. Does not fit pull-out, handheld, spray style faucets or faucets with sensor. Attention The operating temperature of this faucet system is is41-100F5-38C.. , This water filter for sink faucet has a high flow rate of 1 Lmin, ensuring continuous dispensing of purified water. Besides, thanks to its extended lifespan, you can have a SPA-like pure water enjoyment for 3 months..

. Does not fit pull-out, hand-held, spray style faucets or faucets with sensor. Please verify if our product suits your faucet before purchase per the detailed instructions in product pictures. Operating Temperature 41-122 5-50 Operating Working Pressure 15-100 psi 100-689 kPa.. NSF certifications Tested and certified by NSF International against NSFANSI standard 42 for the reduction of chlorine, taste and odor, and to NSFANSI 372 for lead-free material. Provides you with safer and healthier water. Please Note This system DOES NOT lower TDS value. If you want to decrease the TDS value, please choose Waterdrop RO system.. Longer filter life Each faucet filter provides 320 gallons of cleaner water, or 3 months of typical use - thats 2x longer than most faucet filters. 3-pack replacement filters are available for purchase Search WD-FF-01A. Lead reduction The innovative ACF material features great and fast filtration. You will fill up 4 water bottles 16.9 oz for each in 1 minute. Upgraded filtration technology to reduce lead chlorine, offering safer and refreshing water for you and your family.Tested by third party laboratory. Convenient usage The design of a simple switch between quality filtered water and regular tap water helps prolong the service life of the filter. The filtered water faucet adopts leak-proof technology and can be attached to your faucet very easily with the various adapters included..

Value for MoneyPackage includes a pull down kitchen faucet and a kitchen water filter faucet. Buy a set at once to save time and money, redefining the kitchen functionality. Elegant in matte black finish is anti-fingerprint, scratch-resistant, and easily create a classic kitchen style.. Escort for Your Health Both faucets are made of 304 stainless steel material, which is lead-free and qualified food-grade, making sure every drop of water that flows through is safe and healthy. No rust, corrosion resistance, and built to last.. Pull Down Kitchen FaucetThe sprayer pulls out up to 18 inches, making cleaning dead spots a breeze 3 water modes StreamSpraySweep to fully meet your filling, washing and rinsing needs. High-arc spout swivels 360 - Single handle control of water flow and temperature for more efficient cooking.. Lead-free Drinking Water FaucetIt delivers filtered water on demand, saving money on bottled water 360 swivel spout avoids space constraints for greater flexibility. We also offer a variety of connectors for use with most REVERSE OSMOSIS and water filtration systems.. Accessories CompletePull down faucet pre-attached water lines in 38 fitting, and comes with 12 adapters, 9.6 deck plate, and 1.8 GPM flow restrictor to meet a variety of needs. We offer a 5-year limited warranty and 90-day limited return for your shopping..

Simpure Q3-600 reverse osmosis water filter is certified against SGS, and converts your tap waterwell water into pure and healthy drinking water by removing 99.99 of the 1,000 contaminants. In addition, it is also in compliance with NSFANSI 58 standards for reducing TDS. To eliminate the hidden dangers of tap water and protect you and your family's health.. 600GPD tankless reverse osmosis system redefines speed, delivering an impressive 0.4 gallons per minute. The 21 Pure to Drain ratio means you can save more on your water bill. With just one CFRO filter, you can save 1,057 barrels of water. Unlike other water purifiers with a lengthy 30-second wait, you'll savor a full glass of pure, delicious water in just 8 seconds. Say goodbye to bottled water.   No waiting, no waste. Unlike other RO systems, Q3-600 has finished water filtration while you turn on the tap, you don't have to waste the first cup of water due to high TDS anymore. Our exclusive Fresh Water Technology means you can skip the 5-minute wait and save at least 500ml of water wastage daily..   -  The upgraded Q3-600 ro system implements a comprehensive upgrade over the old version Q3-600 system. It set a new filtration standard with ultra-high precision at 0.0001 microns. It removes 99.99 of impurities, including odors, sediments, bacteria, viruses, PFAS, fluoride, arsenic, salt, calcium, particles, iron, chlorides, chlorine, fluorosilicic acid, heavy metals, etc....   The electric under sink water filter system arrives pre-assembled, making setup a breeze. Simply connect the three included water hoses upon package arrival, and you're ready to enjoy clean water. In addition, simply press the replace button, open the snap-lock, and effortlessly replace the filter cartridge.Q3-600 replacement filter cartridges' ASIN B0C73G5BXV.If the system doesn't power, it might be due to an incompatible garbage disposal outlet. Try using a different outlet.. Established in the US in 2006, SimPure has been committed to providing superior water solutions. Should you have any questions before or during use, our dedicated customer service team is here to assist you with wholehearted dedication, ensuring your utmost satisfaction..

Ultra-long service lifeWhen used with municipal water, each filter has a maximum service life of 12 months or 8,000 gallons.1. Innovative multistage filtrationThe Waterdrop Direct Connect Undersink Water Filtration System uses innovative multistage filtration. And it can effectively reduces chlorine, heavy metals, chemical ipurity, sediment and other large particles.2 Enjoy healthy and pure water straight from your tap no need to buy bottled water anymore. NSF certified filterSpecially selected premium materials are lead-free, which is fully certified by the WQA against NSF 372 standard. KDF effectively keep filter sanitary. Tested against NSF 42 standards, it effectively reduces chlorine, taste and odor. The BPA-free, lead-free material ensures more reliable use from the inside out. To look over the 42372 certification of this product, please search EWF-8016S on WQA official website.. Easy installationThe system should be connected only to a cold water supply. With innovative push-to-connect fittings, the entire installation process takes less than 3 minutes. The twist-and-lock design ensures that you can replace the filter in 3 seconds. The system includes a 38 hose with a direct connection that adapts to standard 38 feed water valves under US sinks. The 3812 convertor fitting helps you connect the system to both 12 and 38 cold water lines and faucets.. Fast flow rate multiple usesThe fast and stable water supply provides pure water that tastes like spring water. The tested full flow rate is 0.75 gpm at 60 psi. Developed for household and commercial use, the Undersink Water Filtration System can be installed in your kitchen, bathroom, RV, or office to meet your daily water needs. With its exquisite design and small size, it is the best choice for a rented apartment. Ideal for drinking, cooking, skincare, and cleaning..

Ultra-long service lifeWhen used with municipal water, each filter has a maximum service life of 24 months or 16,000 gallons.1. Innovative multistage filtrationThe Waterdrop Direct Connect Undersink Water Filtration System uses innovative multistage filtration. Enjoy healthy and pure water straight from your tap no need to buy bottled water anymore. NSF certified filterSpecially selected premium materials are fully certified by the WQA against NSF 372 standard. Activated carbon block and other advanced filter media ensure efficient and safe filtration. Tested against NSF 42 standards. To look over the 42372 certification of this product, please search EWF-8017S on WQA official website.. Easy installationThe system should be connected only to a cold water supply. With innovative push-to-connect fittings, the entire installation process takes less than 3 minutes. The twist-and-lock design ensures that you can replace the filter in 3 seconds. The system includes a 38 hose with a direct connection that adapts to standard 38 feed water valves under US sinks. The 3812 convertor fitting helps you connect the system to both 12 and 38 cold water lines and faucets.. Fast flow rate multiple usesThe fast and stable water supply provides pure and fresh water that tastes like spring water. The tested full flow rate is 0.75 gpm at 60 psi. Developed for household and commercial use, the Undersink Water Filtration System can be installed in your kitchen, bathroom, RV, or office to meet your daily water needs. Ideal for drinking, cooking, skincare, and cleaning..

One-piece housing Hygienic one-piece housing, No-welding No-rust No-crack No-leak Lead-free 304 stainless steel Product includes 1x filter, 4x adapters, 1x manual, 5x gaskets. NSFANSI 42 standard Filter element meets NSFANSI 42 standard, improve taste and reduce contaminants Fit for municipal water. 320G Long-lasting high-flow 320 gallons long life, 3Lmin water flow, money-saving and no-waiting. 360rotation 2m filtration freely-swiveling allows water output at any direction reduce contaminants up to 2m rust, dirt, sand, turbidity reduce odor, smell, color and chlorine improve taste CANT REDUCE TDS. Filter replacement Max life 320 gallons or 6 months depends on the water quality Different types of replacement cartridge for different purpose PC filter ASINB0995FZ839- improve taste CRM filter ASINB07S99GT43- reusable filter fits for well water PAC filter ASINB07JG3941M or ASINB07VQ6GD3K- 320 gallons long-lasting high-flow 5in1 filter ASIN B09BD1721L- reduce heavy metals 99.6 lead 50 arsenic, improve taste, increase water pH level, remineralize water.

Innovative multistage filtrationThe Waterdrop Direct Connect Undersink Water Filtration System uses innovative multistage filtration. And it can effectively reduces chlorine, heavy metals, chemical ipurity, sediment and other large particles.2 Use activated carbon block and other advanced filter media ensure efficient and safe filtration. Meanwhile, KDF effectively keep filter sanitary. Enjoy healthy and pure water straight from your tap no need to buy bottled water anymore. NSF certified filterSpecially selected premium materials are lead-free, which is fully certified by the WQA against NSF 372 standard. Tested against NSF 42 standards, it effectively reduces chlorine, taste and odor. The BPA-free, lead-free material ensures more reliable use from the inside out. To look over the 42372 certification of this product, please search EWF-8016S on WQA official website.. Premium dedicated faucet The undersink water filtration system comes with a lead-free brushed stainless steel faucet. For separate drinking faucet you already have, WD-15UC system Search ASIN B085G9T9TB would be a better choice.. Easy installation This undersink water filtration system should be connected only to a cold water supply. With innovative push-to-connect fittings, installation takes less than 3 minutes. The twist-and-lock design helps you replace the filter in 3 seconds without any tools. The undersink water filtration system comes with a feed water adapter that can connect to the tubing. The 3812 convertor fitting can connect this system to 12 or 38 cold water lines and faucets.. Fast flow rate multiple uses The tested full flow rate of this undersink water filtration system is 0.75 gpm at 60 psi. The fast and stable water supply provides pure and fresh water that tastes like spring water. Developed for household and commercial use, Waterdrop Undersink Water Filtration System can be installed in your kitchen, RV, or office to meet your daily water needs. With its exquisite design and small size, it is the best choice for a rented apartment..

This complete Brita faucet water filter attaches to your standard faucet making tap water cleaner and great-tasting filtration system is easy to install no tools required. Get great-tasting water without the waste by switching to Brita, you can save money and replace 1800 single-use water bottles per year. The space efficient design attaches directly to your faucet to give you a choice of 3 convenient spray options for everyday needs filtered water, unfiltered water and unfiltered spray Available in white and includes an electronic filter indicator for easy replacement reminders Height 4.86 Width 4.69 Depth 2.26 Weight .84 pounds. Reduce 99 of lead, chlorine taste and odor, asbestos, particulates, Benzene, and more a helpful status indicator lets you know when to replace the filter with an easy 1-click filter replacement. Replace your faucet mount water filter every 100 gallons or approximately every 4 months to keep water tasting great this tap water filter fits standard faucets only, does not fit pull-out or spray style faucets vs tap 16.9 oz water bottle.

FAUCET WATER FILTRATION SYSTEM Enjoy refreshing, filtered water from your faucet with the PUR PLUS Faucet Mount Filtration System. It includes Mineral Core technology that filters water over natural minerals for a great taste.. REDUCES 70 CONTAMINANTS This PUR PLUS drinking water filtration system is certified to reduce 70 contaminants, including lead mercury. PUR Faucet Filtration Systems are certified to reduce 10x more contaminants than Brita's leading pitcher filter.. EASY TO ATTACH The faucet mount water filter is easy to attach no tools are required. Compatible with most faucets but will not work with pull-out or hand-held faucets.. COMPATIBLE DOES NOT MEAN COMPARABLE Genuine PUR faucet mounted water filters are the only filters certified for use in PUR systems. For best performance, replace with a Genuine PUR Filter every three months.. 1 SELLING BRAND IN FAUCET FILTRATION Contaminants can enter your water system daily, so filtering your water is important. PUR has been developing innovative technologies for superior water filtration for over 30 years..

Supreme quality - designed, engineered, and assembled in USA to guarantee water safety your health. WQA certified to provide unlimited clean, refreshing crisp tasting water superior to bottled water. Premium long-lasting filters remove up to 99 of contaminants such as chlorine, taste, odor, VOCs, as well as toxic fluoride, arsenic, lead, nitrates, heavy metals and 1000 contaminants. Max Total Dissolved Solids - 2000 ppm. Feed Water Pressure 40-85 psi. America's No.1 rated water filter brand with 20 years of success guaranteeing trouble free, noise-free system for long lasting, dependable, pure drinking water. 2 year extended manufacturer warranty is available upon registration. System comes with 100 lead-free designer faucet, plus certified JG food grade tubing and parts to provide safe, contamination-free pure water. Pipe Size 14 inches.. High quality leak-free quick connect fittings require no extra lock clips to seal leak - not relying on water leak detector to protect your home like other brands. Comes with all parts and industry's best instructions and videos for an easy DIY experience..

Basic Brita faucet water filter attaches to your standard faucet making tap water cleaner and great-tasting filtration system is easy to install no tools required. Get great-tasting water without the waste by switching to Brita, you can save money and replace 1800 single-use water bottles per year. The space efficient design attaches directly to your faucet giving you the choice of filtered or unfiltered water Available in white and chrome color with a filter indicator for easy replacement reminders Height 5.28 Width 4.8 Depth 2.26 Weight .84 pounds. Reduce 99 of lead, chlorine taste and odor, asbestos, particulates, Benzene, and more a helpful status indicator lets you know when to replace the filter with an easy 1-click filter replacement. Replace your faucet mount water filter every 100 gallons or approximately every 4 months to keep water tasting great this tap water filter fits standard faucets only, does not fit pull-out or spray style faucets vs tap 16.9 oz water bottle.

Multi-stage filtration system This 5-stage filtration system can effectively reduce impurities commonly found in tap water, such as colloid, sediment and up to 99 chlorine. It can also reduce heavy metals, hydrogen sulfide, fluoride, providing safe, tasty and fresh drinking water.. All for your health The filtration process adds minerals such as calcium, magnesium, and potassium that benefits your health, which is normal to get a higher TDS value. Note This system DOES NOT lower TDS value. If you prefer low TDS value, please choose Waterdrop RO system.The system is made from 304 food-grade stainless steel with sleek brushed appearance, fingerprint-free and BPA-free. Using only safe materials ensures you get clean and healthy drinking water.. Fast flow long service life When connected to municipal tap water, you can get up to 12 months service life or 8,000 gallons of filtered water. This may vary based on water conditions. By using advanced filtration technology, the water flow can reach up to 1.6 gallons per minute.. Easy installation It is simple to install this filter system, with all the necessary hardware wrench and adapters included. Also, it connects easily to most standard kitchen taps and faucets. By twisting the switch, tap water and filtered water can be switched in no time. Operating Temperature 41-100F 5-38C Operating Pressure 15-100 psi 100-689 kPa.. Multiple application scenarios The user-friendly design makes installation and use seamless. You do not need to drill holes or invite a plumber. It is built for different usage scenarios, including homes, rental housing, or RVs..

FAUCET WATER FILTRATION SYSTEM Enjoy refreshing, filtered water from your faucet with the PUR PLUS Faucet Mount Filtration System. It includes Mineral Core technology that filters water over natural minerals for a great taste.. REDUCES 70 CONTAMINANTS This PUR PLUS drinking water filtration system is certified to reduce 70 contaminants, including lead mercury. PUR Faucet Filtration Systems are certified to reduce 10x more contaminants than Brita's leading pitcher filter.. EASY TO ATTACH The faucet mount water filter is easy to attach no tools are required. Compatible with most faucets but will not work with pull-out or hand-held faucets.. COMPATIBLE DOES NOT MEAN COMPARABLE Genuine PUR faucet mounted water filters are the only filters certified for use in PUR systems. For best performance, replace with a Genuine PUR Filter every three months.. 1 SELLING BRAND IN FAUCET FILTRATION Contaminants can enter your water system daily, so filtering your water is important. PUR has been developing innovative technologies for superior water filtration for over 30 years..