Vwr* Funnel Pwdr Pp 65Mm Pk12^ For Use With Standard Filter Papers. Funnels Have A 60(deg) Body Angle And A 58(deg) Internal Rib Angle For Rapid Filtration, External Ribbing Prevents Airlock. Resist Most Chemicals Except Strong Oxidizing Agents. May Be Used From 0 To 135(deg)C (32 To 275(deg)F). Autoclavable.