Solo 4-Gallon Professional Diaphragm Backpack Sprayer easily and effectively handles disinfectants, bleach solutions, fertilizers, herbicides, pesticides and formulations for tree, shrub and plant protection. Features a diaphragm pump for high-performance use with wettable powders, liquid and bleach solutions. Small abrasive particles can pass through without damage to the pump assembly. Made of top quality Tivilon material, the diaphragm has outstanding resistance to harsh chemicals. A metal frame provides stability, while the extra-large opening makes filling and cleaning easier. Features a commercial shut-off valve with a lock-on/lock-off feature to minimize user fatigue. Left and right-hand operation is possible due to interchangeable pump handle. Extended reach is provided by the 48 In. nylon-reinforced high-pressure hose and 28 In. unbreakable wand. Four nozzle assortment allows for multiple spray tasks: adjustable, fan spray, hollow cone, and jet stream. TeeJet compatible.