Hand pump with heavy-duty pistol grip handle. Fits 5-gallon pails through 55-gallon drums with 2" bung opening and dual threads for plastic drums. Body constructed of glass filled nylon with Viton seals to be used with chemicals (compatibility chart available upon request). Removable spout, telescoping suction tube. Self-priming and self-venting with special foot valve to allow drain back after use. Dispenses approximately 1 pint per stroke.