Top 10 Best Under Gravel Aquarium Filter
of November 2024
1
Best Choice
Aquatic Experts
Aquatic Experts
Aquatic Experts Aquarium Filter Floss for Fish Tank Filters - FilterFirst Aquarium Filter Pad - Aquarium Filter Media Roll for Crystal Clear Water, 3/4" - 1" Thick (12 Inch Wide, 72 Inch Long)
10
Exceptional
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2
Best Value
Penn-Plax
Penn-Plax
Penn-Plax Undergravel Aquarium Filter for 40-55 Gallon Tanks Four 11.25 x 11.25 Plates Under Gravel System for Clear, Clean Water Safe for Freshwater and Saltwater Tanks
9.9
Exceptional
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3
Penn-Plax
Penn-Plax
Penn-Plax Clear-Free Premium Under Gravel Aquarium Filter (UGF) Freshwater and Saltwater Safe Suitable for 20 29 Gallon Tanks
9.8
Exceptional
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4
Penn-Plax
Penn-Plax
Penn-Plax Undergravel Aquarium Filter for 10 Gallon Tanks Two 9.5 x 9.5 Plates Under Gravel System for Clear, Clean Water Safe for Freshwater and Saltwater Tanks
9.7
Exceptional
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5
Penn-Plax
Penn-Plax
Penn-Plax Clear-Free Premium Under Gravel Aquarium Filter (UGF) Freshwater and Saltwater Safe Suitable for 15 20 Gallon Tanks
9.6
Exceptional
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6
Penn-Plax
Penn-Plax
PENN-PLAX Small World Fishbowl Under-Gravel Filter Kit Comes with a Disposable Media Cartridge, Air Pump, Air Tubing, and Air Stone, Multicolor (EPSWF2)
9.5
Excellent
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7
Lee's
Lee's
Lee's 60/77/90 Original Undergravel Filter, 15-Inch by 48-Inch or 12-Inch by 60-Inch
9.4
Excellent
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8
Kulife
Kulife
Kulife 3-Stage Aquarium Filter in-Tank Filter Internal Filter Fish Turtle Filter for 10-40 Gallon Fish Tanks with Dual Water Outlet and Aeration
9.3
Excellent
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9
Lee's
Lee's
Lee's 15/20 Original Undergravel Filter, 12-Inch by 24-Inch
9.2
Excellent
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10
balacoo
balacoo
balacoo Fish Tank Bottom Filter Plate, Aquarium Sand Gravel Filter Board PVC Splicing Aquarium Accessory Black
9.1
Excellent
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11
Penn-Plax
Penn-Plax
Penn-Plax Filt-a-Carb Universal Carbon Undergravel Filter Cartridge, 3 Packs of 2 each
9.0
Excellent
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About Under Gravel Aquarium Filter
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Aquatic Experts Aquarium Filter Floss for Fish Tank Filters - FilterFirst Aquarium Filter Pad - Aquarium Filter Media Roll for Crystal Clear Water, 3/4" - 1" Thick (12 Inch Wide, 72 Inch Long)
2 LAYERS EQUALS CLEAR WATER This unique 2 Layers in 1 filter media pad combines a typical aquarium filter pad with a water polishing pad. The top layers open fiber construction traps LARGER PARTICLES while the bottom layer's dense fiber network TRAPS FINER PARTICLES, working together to produce clean, clear water in your aquarium.. SEE THE DIFFERENCE When you clean this true dual density filter pad, see how much more debris it traps compared to other aquarium media pads. Your fish filter, turtle filter, and all aquatic pets filters will produce clearer water.. CUT TO FIT FilterFirst filter media aquarium pads can easily be cut to fit your filter. Our unique poly filter pad is PERFECT FOR FRESHWATER, REEF TANKS OR SALTWATER aquariums. Ideal filter pads for aquarium wet dry filters, and will also work in your sump, canister filter media, aquaponic system, and more. Theyre also perfect as a turtle tank filter. SAFE AND DURABLE Our aquarium filter floss pad is constructed of durable polyester fibers making it strong and durable enough to be rinsed and reused several times before needing to be replaced. This dual density filter roll works great for indoor ponds or small outdoor ponds. For larger ponds use our Koi Pond filter media pads exclusively made for ponds and water gardens.. TIP Place our FilterFirst dual action polyfilter pad in flowing water with the open filter floss weave side up to trap coarse and fine particles. Made without dyes in USA.
Penn-Plax Undergravel Aquarium Filter for 40-55 Gallon Tanks Four 11.25 x 11.25 Plates Under Gravel System for Clear, Clean Water Safe for Freshwater and Saltwater Tanks
NOTHING LIKE OLD SCHOOL The Clear-Free Premium Under Gravel Filter is air driven and utilizes an Air Pump not included to cycle crystal clear water throughout your aquarium, while keeping a crisp and neat look inside. This means theres less moving parts, making for simplistic and easy maintenance. This filter is suitable for most 40 55 gallon aquariums.. BIOLOGICAL, CHEMICAL, AND PHYSICAL FILTRATION As air is pushed through the Air Stones and rises through the Lift Tubes, water is gently suctioned through gravel and the filter plates, allowing both air and water to pass through the Filt-a-Carb Activated Carbon Cartridges. When water continues to be drawn through, anaerobic bacteria collects and colonizes within the gravel and filter plates.. ALSO AERATES YOUR TANK Since the Clear-Free Premium Under Gravel Filter is air driven through the use of Air Stones and an Air Pump not included, it also aerates your tank. In essence, your aquarium is being filtered and aerated at the same time, though the same system Its a filter and bubbler in 1. ITEMS INCLUDED The Clear-Free Premium Under Gravel Filter includes 4 Filter Plates, 4 Adjustable Lift Tubes, 4 Straight Airline Tubes, 9 Filter Plate Connecters, and 4 Replaceable Filt-a-Carb Activated Carbon Media Cartridges.. MEASUREMENTS Each Filter Plate Separately 11.25 W x 11.25 D Filter Plates Together 45 W x 11.25 D Each Lift Tube at Filter Plate Base 13.25 16.5.
Penn-Plax Clear-Free Premium Under Gravel Aquarium Filter (UGF) Freshwater and Saltwater Safe Suitable for 20 29 Gallon Tanks
NOTHING LIKE OLD SCHOOL The Clear-Free Premium Under Gravel Filter is air driven and utilizes an Air Pump not included to cycle crystal clear water throughout your aquarium, while keeping a crisp and neat look inside. This means theres less moving parts, making for simplistic and easy maintenance. This filter is suitable for most 20 long 29 gallon aquariums.. BIOLOGICAL, CHEMICAL, AND PHYSICAL FILTRATION As air is pushed through the Air Stones and rises through the Lift Tubes, water is gently suctioned through gravel and the filter plates, allowing both air and water to pass through the Filt-a-Carb Activated Carbon Cartridges. When water continues to be drawn through, anaerobic bacteria collects and colonizes within the gravel and filter plates.. ALSO AERATES YOUR TANK Since the Clear-Free Premium Under Gravel Filter is air driven through the use of Air Stones and an Air Pump not included, it also aerates your tank. In essence, your aquarium is being filtered and aerated at the same time, though the same system Its a filter and bubbler in 1. ITEMS INCLUDED The Clear-Free Premium Under Gravel Filter includes 2 Filter Plates, 2 Adjustable Lift Tubes, 2 Straight Airline Tubes, 3 Filter Plate Connecters, and 2 Replaceable Filt-a-Carb Activated Carbon Media Cartridges.. MEASUREMENTS Each Filter Plate Separately 14 W x 11.1 D Filter Plates Together 28 W x 11.1 D Each Lift Tube at Filter Plate Base 13 16.
Penn-Plax Undergravel Aquarium Filter for 10 Gallon Tanks Two 9.5 x 9.5 Plates Under Gravel System for Clear, Clean Water Safe for Freshwater and Saltwater Tanks
NOTHING LIKE OLD SCHOOL The Clear-Free Premium Under Gravel Filter is air driven and utilizes an Air Pump not included to cycle crystal clear water throughout your aquarium, while keeping a crisp and neat look inside. This means theres less moving parts, making for simplistic and easy maintenance. This filter is suitable for most 10 gallon aquariums.. BIOLOGICAL, CHEMICAL, AND PHYSICAL FILTRATION As air is pushed through the Air Stones and rises through the Lift Tubes, water is gently suctioned through gravel and the filter plates, allowing both air and water to pass through the Filt-a-Carb Activated Carbon Cartridges. When water continues to be drawn through, anaerobic bacteria collects and colonizes within the gravel and filter plates.. ALSO AERATES YOUR TANK Since the Clear-Free Premium Under Gravel Filter is air driven through the use of Air Stones and an Air Pump not included, it also aerates your tank. In essence, your aquarium is being filtered and aerated at the same time, though the same system Its a filter and bubbler in 1. ITEMS INCLUDED The Clear-Free Premium Under Gravel Filter includes 2 Filter Plates, 2 Adjustable Lift Tubes, 2 Straight Airline Tubes, 3 Filter Plate Connecters, and 2 Replaceable Filt-a-Carb Activated Carbon Media Cartridges.. MEASUREMENTS Each Filter Plate Separately 9.5 W x 9.5 D Filter Plates Together 19 W x 9.5 D Each Lift Tube at Filter Plate Base 9.75 12.75.
Penn-Plax Clear-Free Premium Under Gravel Aquarium Filter (UGF) Freshwater and Saltwater Safe Suitable for 15 20 Gallon Tanks
NOTHING LIKE OLD SCHOOL The Clear-Free Premium Under Gravel Filter is air driven and utilizes an Air Pump not included to cycle crystal clear water throughout your aquarium, while keeping a crisp and neat look inside. This means theres less moving parts, making for simplistic and easy maintenance. This filter is suitable for most 15 20 high gallon aquariums.. BIOLOGICAL, CHEMICAL, AND PHYSICAL FILTRATION As air is pushed through the Air Stones and rises through the Lift Tubes, water is gently suctioned through gravel and the filter plates, allowing both air and water to pass through the Filt-a-Carb Activated Carbon Cartridges. When water continues to be drawn through, anaerobic bacteria collects and colonizes within the gravel and filter plates.. ALSO AERATES YOUR TANK Since the Clear-Free Premium Under Gravel Filter is air driven through the use of Air Stones and an Air Pump not included, it also aerates your tank. In essence, your aquarium is being filtered and aerated at the same time, though the same system Its a filter and bubbler in 1. ITEMS INCLUDED The Clear-Free Premium Under Gravel Filter includes 2 Filter Plates, 2 Adjustable Lift Tubes, 2 Straight Airline Tubes, 3 Filter Plate Connecters, and 2 Replaceable Filt-a-Carb Activated Carbon Media Cartridges.. MEASUREMENTS Each Filter Plate Separately 11.25 W x 11.2 D Filter Plates Together 22.5 W x 11.2 D Each Lift Tube at Filter Plate Base 12 15.
PENN-PLAX Small World Fishbowl Under-Gravel Filter Kit Comes with a Disposable Media Cartridge, Air Pump, Air Tubing, and Air Stone, Multicolor (EPSWF2)
ADJUSTABLE FILTER The Small World Fishbowl Under-Gravel Filter Kit is specifically designed for all drum or round bowls with a 4 or larger opening. If filter plate does not fit through the opening, you can break away the outer ring from between 2nd and 3rd levels, allowing for a better adjustments.. AIR-TECH PUMP This Kit comes standard with an Air-Tech AT2K0 pump. In addition to being quiet, efficient, and reliable, this air pump is built with a strong motor thats made to last. With silicone polymer flappers, a thick cover, and raised rubber feet, this pump will remain in place.. TOP-QUALITY CARBON Supercharged with scientifically formulated Carbon, the media cartridge in this kit absorbs ammonia, nitrites, nitrates, and phosphates in a fast and timely manner, along with removing harmful chemicals and toxins, clearing up discolorations, and reducing foul odors from your fishbowl.. BIO FLOSS In addition to the Carbon, the included media cartridge also contains Bio Floss for physical filtration of larger particulate matter, and biological filtration that optimizes the colonization of anaerobic bacteria.. COMES WITH EVERYTHING YOU NEED This Kit comes with an Air Pump, Air Tubing, Under-Gravel Filter with Adjustable Base, a Disposable Filter Media Cartridge, an Air Stone, and an Adjustable Flow Valve..
Lee's 60/77/90 Original Undergravel Filter, 15-Inch by 48-Inch or 12-Inch by 60-Inch
Made of special quality plastic which resists splitting and cracking. Also has optional flow-thru set-up for use with a power head. Size 15-inch by 48-inch by 12-inch by 60-inch.
Kulife 3-Stage Aquarium Filter in-Tank Filter Internal Filter Fish Turtle Filter for 10-40 Gallon Fish Tanks with Dual Water Outlet and Aeration
PERFORMANCE Max. Flow 130GPH 500LH, Max lift 2ft 0.6m, Power 3.5W. For tank size of 10-40 gallons.REMINDER Choose the right filter for your tank. A filter cant cover tanks of big differences in capacity as claimed by some products online Follow our recommendations for your tank.. SAFETY The pump is fully submersible with epoxy sealed motor. Each product has been submerged in water and tested with super high voltage to ensure the safety.. 3-STAGE FILTRATION 3 sponge blocks coarse sponge, carbonized sponge and fine sponge provide 3-stage filtration. COARSE SPONGE filters out large size impurities such as food residue, fish excrements, plant leaves etc. CARBONIZED SPONGE removes odor, chlorine and fine particles FINE SPONGE polishes water before it goes back to tank. PLUS the transparent box makes it easy to observe the filtering material when they get dirty. Search code B09KXZXCQV for the replacement sponges.. AERATING WATER - Oxygenation is very important to your fish. Different from most of the filters in the market, this turtle tank filter also provides an air venturi and air tubing to increase oxygen supply in your fish tank. DOUBLE WATER OUTLET - This filter is innovatively designed with dual water outlets to ensure more even water distribution in your fish tank. KIND REMINDER If your tank is very large, choose 2 filters Place a filter at both the left and right corners at the back side. You will get full filtration and great water circulation in your tank.
Lee's 15/20 Original Undergravel Filter, 12-Inch by 24-Inch
Made of special quality plastic which resists splitting and cracking. Also has optional flow-thru set-up for use with a power head. Size 12-inch by 24-inch.
balacoo Fish Tank Bottom Filter Plate, Aquarium Sand Gravel Filter Board PVC Splicing Aquarium Accessory Black
Aquarium filter Can be spliced at will with good water permeability.. Fish tank filter is very convenient to adopt the receiving type butt- joint installation.. Fish tank bottom filter plate is made of PVC material, slightly submerged and has good toughness.. Fish tank filter plate is good accessory for breeding large dragon fish, sea fish and making fish tanks.. Filter plate size is about 15x15x2. 7cm..
Penn-Plax Filt-a-Carb Universal Carbon Undergravel Filter Cartridge, 3 Packs of 2 each
3 packs of 2 each REPLACEMENT FILTER MEDIA These Activated Carbon Cartridges are made to fit the lift tubes of Muti-Pore and Undergravel E filters, serving as a replacement for when its time to cycle out aquarium filter media.. CHEMICAL FILTRATION In addition to absorbing ammonia, nitrites, nitrates, and phosphates in a timely manner, these Activated Carbon Cartridges also remove harmful chemicals and toxins, clear up discolorations, and reduce foul odors from your tank.. TOP-QUALITY ACTIVATED CARBON These Activated Carbon Cartridges come together in a 2 Pack. For best results, replace cartridges every 2 to 4 weeks. Theyre lightweight, disposable, and are safe for Freshwater and Saltwater aquariums.. OLD SCHOOL There has been a burst of growth, development, and ingenuity within the aquatic industry, and although we are a part of this as well, we still provide replacement media for undergravel aquarium setups.. SHOP PENN-PLAX FOR ALL YOUR PETS NEEDS Penn-Plax is a manufacturer and distributor of top quality pet supplies, who specialize in creating excellent pet products for animals, both great and small..