Solo 475 4-Gallon Diaphragm Pump Backpack Sprayer

The Solo 475 4-Gallon Diaphragm Pump Backpack Sprayer is designed to easily handle liquid formulations, including bleach, as well as powdered chemicals that have been liquefied. The pump is made of Viton, which is prized for its resistance to abrasion and wear as well as harsh chemicals, and the polyethylene tank has been treated with ultraviolet inhibitors to increase overall longevity.