This 80mm polypropylene heavy-gauge funnel is ideal for transferring powders. The parallel stem minimizes bridging of powder while external ribbing prevents air lock. Fast and efficient. Autoclavable. Material: polypropylene. Funnel top I.D.: 79mm. Stem O.D.: 16mm. Stem length: 29mm. Overall height: 85mm. Capacity: 115mL. Nalgene #: 4252-0080.
Nalgene 4252-0080 Polypropylene Round Powder Funnel 115mL Capacity 79mm Top ID (Pack of 12) - B003OBYL2U