Top 10 Best Lab Addition Funnels

Made of high quality borosilicate glass,Strong and durable,corrosion resistance. 2440 joint top and bottom,Pressure equalizing,Cylindrical style with PTFE stopcock. Capacity500ml. Autoark provides high quality laboratory supplies and customer service.

Pressure equalizing funnel. 500ml capacity. PTFE stopcock.

Borosilicate glass. 2440 joint top and bottom. Capacity 500ml. Cylindrical style with PTFE stopcock. StonyLab ensures products and premium customer service if received damaged, please contact us immediately we will solve it until satisfied.

Made of high quality, Borosilicate glass. Cylindrical Dropping Funnel, made of high quality borosilicate glass. Open top with PTFE Key Stopcock. 500ml capacity. Perfect for any science or home laboratory.

DESIGN----The pressure equalizing funnel is a special type of dropping funnel .Comparing to the ordinary cylindrical dropping funnel and pear-shaped separatory dropping funnel,it is designed with an additional glass tube at side from the top of cylindrical body to the tube between the stopcock and lower male joint.The funnel features a graduated cylindrical tube as main body,with standard joints at top and bottom,a PTFE stopcock above the lower joint.. ADVANTAGE---A pressure equalizing funnel is used to add exact amounts of liquid to the receiving flask slowly and smoothly.With the side narrow-bore tube,the liquid form the funnel drops smooth without having to the glass joint stopper.In a reflux reaction,the funnel will be attached to one neck of the receiving flask,while the reflux condenser will be placed on the other neck.It is also ideal to handle air-sensitive reagents in a sealed,inert-gas environment.. DIMENSIONS------This graduated addition funnel has a capacity of 250mL,with 2440 top and bottom joints, with a 4mm PTFE stopcock above the lower male joint.. HEAVY WALL ---This dropping funnel is heavy-wall designed , made by hand-blowing according to ASTM E438 ,made of high-quality borosilicate glass and annealed at 800 degree Celsius ,can be heated directly in an open flame and can withstand typical laboratory thermal variations in Chemistry processes like heating and cooling,durable and reusable.. 100 45 DAY MONEY BACK GUARANTEE If you are not satisfied for any reason, simply return for a full refund, no questions asked. You have nothing to lose.Please also kindly undertand glassware is fragile, even if we pack them carefully,it may be broken during the shipment ,if you receive the items in broken status,don't hesitate to contact us ,we will arrange free replacement or full refund..

Made of high quality, Borosilicate glass. Cylindrical Dropping Funnel, made of high quality borosilicate glass. Open top with PTFE Key Stopcock. 1000ml capacity. Perfect for any science or home laboratory.

Addition funnel with pressure equalizing arm. Borosilicate glass capacity 500ml with graduation. 2440 joint top and bottom. Cylindrical style with PTFE stopcock. StonyLab ensures high quality products and premium customer service if received damaged, please contact us immediately we will solve it until satisfied.

HIGHT QUALITY - Made of durable plastic, lightweight but sturdy.. MULTIPLE USES - For general liquid as well as cosmetic lotion, baby care, essential oil, powder funnel, sand art funnel etc.. BEST SIZE - Opening Diameter 1.22 inch Bottom Diameter 0.24 inch X Height 1.52 inch.. SAVE YOUR MONEY - Use these mini funnels which can prevent your perfume, lotion and other liquids from spilling.. GUARANTEE -100 refund of any unpleasant order or customer..

Our set of math machines puts fun math practice right at kids fingertips. Self-directing machines are totally self-checking--great for independent skill-building practice. Perfect for teaching and reinforcing addition, subtraction, multiplication and division with numbers 1-9. Includes 4 sturdy math machines each is 8 12 x 9 12. For ages 5-11 years.

1000 mL Separatory funnel. 1000mL glass separatory funnel for separating liquids with different densities. Made of glass. Conical design ensures efficient separation. Warranty If received damaged, please contact us immediately We will solve it until satisfied.