Chapin 4 Gal. Backpack Sprayer

Commercial duty backpack sprayer features combined piston and diaphragm pump to provide increased pressure (over 120 psi) and eliminates piston leaks. Sprays with both liquid and powder. Features: 3 stage filtration system (strainer basket, filter in piston cylinder, and filter in shut-off), 6 In. wide mouth opening, large 6 In. basket, in tank self cleaning 3-D removable filter that prevents clogging from built up residue and debris, swing away pump handle for left or right hand use and more compact storage, chemical resistant seals, cushion grip shut-off, comfortable back pad, and double padded shoulder straps. Jet Clean dual replacement pump. 10.5 Lb.