"3-in-1 Solo Diaphragm Backpack Sprayer handles wettable powder formulas including sediment water and abrasives, liquid formulations and bleach solutions, thanks to a resistant Tivilon diaphragm. 4-gallon tank is made of high-density polyethylene with UV inhibitors for increased longevity. Seal Type Viton, Tivilon, Buna, Repairable Pump Yes, Wand Length in. 20 28 w/shut-off, Hose Length in. 48, Broadcast Width ft. 4-6, Pump Type Diaphragm, Flow oz./min. Varies, Dimensions L x W x H in. 14 3/4 x 8 3/4 x 20, Tank Size gal. 4, Pressure PSI 60, Spray Height ft. 25, Spray Pattern Multiple. Tivilon diaphragm effectively handles disinfectants and bleach solutions High-density polyethylene tank with UV inhibitors for increased longevity 4 1/4in. opening for easier filling and cleaning Commercial shut-off valve with lock-on/lock-off feature minimizes user fatigue and helps prevent waste Four-nozzle assortment handles a variety of spraying jobs Viton and Buna seals and Tivilon diaphragm provide superior chemical resistance and a longer pump life"