Description General description Porous filter plate funnels: • Large capacity, PE funnels are a one piece design with a choice of fixed or removable Fritware porous filter plates supported by a multiple ring grid • Filter plates are made of HDPE 6.4 mm (19/32 in.) thick • A non-porous ring at the periphery of the plate seals filter paper when used • Vacuum connector accepts 12.7 mm (19/32 in.) I.D. tubing • Available with medium or coarse porous filter plates • Use below 52°C (125°F) Perforated filter plate funnels: • Similarly, these funnels are available with fixed or removable perforated filter plates • Filter plates are made of HDPE 4.8 mm (3/16 in.) thick with 4.8 mm perforations on 11 mm (7/16 in.) centers • The fixed version is for coarse filtration or use with cloth or paper filters • The removable filter plate can be used in precious metals recovery • Use below 52°C (125°F) Legal Information Scienceware is a registered trademark of SP Scienceware, a division of SP