"This Vestil manual self-venting polypropylene pump is designed for dispensing and transferring liquids out of 55-gallon drums and 5-gallon pails. Outlet Port in. 5/8, Inlet Port in. 5/8, Oz. Per Stroke 8, Hose Length ft. 31 1/2, Works With 55-gal. drum/5-gal. pail/15-gal. pail, Material Polypropylene, Includes Pail adapter, clamps and sleeves. 8-oz. displacement per stroke 3/4in. and 2in. bung sizes Polypropylene Exceptional resistance to corrosive chemicals nonflammable solvents Use with 55-gallon drums and 5-gallon pails"