The Johnson Pump Boat Washdown Pump Kit includes everything you need to wash down your boat, RV, watercraft and more.• Type: Diaphragm• Flow Rate: 3.5 Gallon Per Minute• Inlet Port Type: 3/8 Inch BSP• Outlet Port Type: 1/2 Inch Barb• Voltage Rating: 12 Volt• With Pistol Grip Plastic Spray Nozzle: Yes• With Swivel Straight Adapter: Yes 3/8 Inch BSP x 1/2 Inch Barb 12 Volts With Inlet Strainer, Spray Pistol, 25 Feet Coiled Wash Down Hose, Hose Connectors, Barb Port Fittings, 2 Way Panel Switch