Disposable filter funnels help eliminate sample contamination from re-use as well as convenience of project work flow disposal. Available in either transparent polystyrene or more chemically resistant translucent polypropylene. Available in 2 sizes, 55mm or 65mm Available in transparent polystyrene (PS) or translucent polypropylene (PP) 60° angle sidewalls for optimal filtration drainage Molded ribs for faster filter flow and drainage Exclusive LabExact® EASY Filter Sizing Match LE-PW00001 Disposable Funnel, 55mm, PS (uses 11.0cm filter paper) LE-PW00002 Disposable Funnel, 65mm, PS (uses 12.5cm filter paper) LE-PW00003 Disposable Funnel, 55mm, PP (uses 11.0cm filter paper) LE-PW00004 Disposable Funnel, 65mm, PP (uses 12.5cm filter paper)