Solo 475 4-Gallon Professional Diaphragm Backpack Sprayer High-performance diaphragm pump for use with wettable powders and liquid formulations Extra large tank openings for easier filling and cleaning 28-Inch unbreakable wand provides excellent reach Chemical resistant seals provide outstanding resistance to harsh chemicals Four-nozzle assortment for multiple spraying tasks 4-Gallon professional backpack diaphragm sprayer.The Solo manual [...]