Kimble 28400-3502 KIMAX 350mL Büchner Filter Funnels with Medium Porosity KIMFLOW Fritted Disc are used wherever filter paper and membranes cannot withstand the chemical attack of the filtrate. The funnels are constructed with heavy-walled stems, and the top rims are beaded for extra strength. Come with a marking spot and a KIMFLOW® fritted disc. Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements.
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Capacity (mL) & Porosity: 350M
Diam. Of Disc (mm): 80