Hand Operated Drum Pump, Piston Action, Pump Body Material PVC, Wetted Materials PVC, Polyethylene, GPM 4, Maximum Head 3 Ft, Max. Pressure 20 psi, Max. Temp. 140 F, Max. Viscosity 650 CPS, Inlet Size 1-1/2 In, Outlet Size 1/2 In RestrictionsCalifornia Proposition 65 Warning: This product contains a chemical known to the State of California to cause cancer. Warning: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm.