Neoprene filter adapters are designed to fit between the filtering funnel and flask. For use with buchner funnels, grooch crucibles, filter tubes, etc. Use individually or nesting with adjacent sizes. Eliminates boring of rubber stoppers and the difficulties of inserting and removing glass stems in stoppers. Neoprene withstands autoclaving.
Height: 29 mm
Inner Diameter: 39 x 22 mm
Top/Bottom Outer Diameter: 46 x 29 mm
Top/Bottom Wall Thickness: 3.5 mm