1/2in. double diaphragm pump kit allows pump to be mounted directly to any 2in. bung opening. Kit includes pump rated at 15 GPM, mounting plate with 2in. NPTM bung fitting and 35in. long suction tube and all mounting hardware. U.S.A. Flow (GPM): 15, Average Air Consumption (CFM): 9, Operating PSI: 40 to 100, Air Inlet Size (in. NPT): 1/2,...