Top 20 Best Selling Filtering Flasks Lab Flasks (2019)




This molded rubber filter disc is designed to support and seal in place a filter crucible or a funnel in the neck of a flask. Inside Diameter of the socket at the top is 32mm, and the outside diameter of the disc is 76mm. The bottom of the disc is flat to ... more info

Filtering Kit, 500 ml. Excellent kit for filtering. Consists of one each of Filtering Flask 500 ml, Porcelain Buchner Funnel 90 mm, Vacuum Pump Hand with Gauge, Filter Paper 90 mm Pack of 100 and rubber stopper with hole to accept Buchner Funnel. Packed i ... more info


Filtering flask, heavy duty, reinforced mouth with tooled hose barb, 2000 ML, sold per each. Great for vacuum filtration. See our buchner funnels, filter paper and filter aids to built your filtratation apparatus.¿.Looking for complementary product, diffe ... more info


This is a United Brand 5000ml borosilicate filtering flask with heavy wall & bolt neck with tubulation. Borosilicate glass flasks are designed to give the best combination of thermal shock resistance, physical strength and resistance to chemical attack. ... more info



KIMAX flask, ASTM E1406, Type II, Class II, with a quick-release connector designed as a safety feature to accommodate standard ¼I.D. tubing, not included. Tubing can remain permanently attached since the opposite end is designed to be easily assembled vi ... more info

Borosilicate glass flasks are designed to give the best combinations of thermal shock resistance, physical strength, and resistant to chemical attack. ... more info



Buchner style filter funnel having a lower standard taper inner joint and serrated tubulation for connection to a vacuum source. Disc diameters and height above the disc are the same. ... more info

Buchner style filter funnel having a lower standard taper inner joint and serrated tubulation for connection to a vacuum source. Disc diameters and height above the disc are the same. ... more info



Filtering Kit, 1000 ml. Excellent kit for filtering. Consists of one each of Filtering Flask 1000 ml, Porcelain Buchner Funnel 90 mm, Vacuum Pump Hand with Gauge, Filter Paper 90 mm Pack of 100 and rubber stopper with hole to accept Buchner Funnel. Packed ... more info


Funnel has a sealed-in glass fritted disc of the listed porosity. Useful wherever filter paper or membranes cannot withstand the chemical attack of the filtrate. Constructed with heavy wall stems and the top of the funnel is beaded for additional strength ... more info


This 2000mL polypropylene filtering flask is molded in one piece to withstand full vacuum to 30 inches Hg. The 45 degree angle of tubulation prevents tipping. Barbed adapter accepts 1/4 to 3/8 inch I.D. tubing. This flask is graduated and has an oval mark ... more info

Filtering Kit, 250 ml. Excellent kit for filtering. Consists of one each of Filtering Flask 250 ml, Porcelain Buchner Funnel 70 mm, Vacuum Pump Hand with Gauge, Filter Paper 70 mm Pack of 100 and rubber stopper with hole to accept Buchner Funnel. Packed i ... more info




Funnel has a sealed-in glass fritted disc of the listed porosity. Useful wherever filter paper or membranes cannot withstand the chemical attack of the filtrate. Constructed with heavy wall stems and the top of the funnel is beaded for additional strength ... more info

Made from Borosilicate Glass with tubulation/side arm. Sturdy wall, and heavy rim. Accepts hose with 3/8 inside diameter. Texas Residents: Under Texas State Law, this product requires a Precursor Chemical/Laboratory Apparatus NAR-120 permit to ship to a T ... more info


Made from Borosilicate Glass with tubulation/side arm. Sturdy wall, and heavy rim. Accepts hose with 3/8 inside diameter. Texas Residents: Under Texas State Law, this product requires a Precursor Chemical/Laboratory Apparatus NAR-120 permit to ship to a T ... more info

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