Dayton Hand Operated Drum Pump, Action Type Piston, Wetted Materials Nylon, Polypropylene, PTFE, Stainless Steel, Seal Material PTFE, For Use On 15, 30, and 55 gal. Drums, Max. Temp. 122 Degrees F, Ounces per Stroke 14 oz., Max. Viscosity 8,000 SUS, Inlet Size 1 In., Outlet Size 1/2 In., Discharge Tube Outlet OD Size 15/32 In., Suction Tube Length 39.5000 in, Suction Tube Outlet O.D. Size 1-21/64 In., Overall Length 45-1/8 Multiple available