4000-BP Water Hand Pump and Backpack4000 Water Hand Pump only4002A Water/Foam Backpack only4062 4ft. Pick-up Hose Includes Hand Pump, 5 gallon (19 L) Backpack, 4 foot Pick-up Hose and pressure nozzle. Single action pump with a brass inner chamber and piston. Incorporates easy to pump "Duckbill" checkvalve system. Outer sleeve made of super tough, engineering-grade polymer making it durable and lightweight. No tools required for in-the-field disassembly for maintenance. Includes 4 foot pick-up hose with Quick Connect Shut-Off and Pump Service Kit (4000SERVDB). Product Documents: