PAS Funnels, Buchner Funnels, Polypropylene

Molded of polypropylene, these funnels are unbreakable and resistant to corrosion, heat, easily separated for cleaning. Can be used without risk with Erlenmeyer flasks. Optional disks for funnels sold separately. Molded of polypropylene for corrosion resistance, withstands high temperature. No special flask is required. The funnels are supplied with rubber gaskets allowing them to rest on almost any container. Light in weight, more stable than glass or porcelain funnels. Can be taken apart for easy cleaning. The smallest size fits bottles with opening from 20 to 57mm, medium size from 25 to 75mm, and largest size from 30 to 100mm.