Milwaukee 3019-20PS Cordless Backpack Sprayer, 4 gal

The M18 4 gal backpack sprayer with SWITCH TANK™ delivers the industry's excellent pressure control, with no manual pumping and an interchange tank design. The sprayer's instant, constant and adjustable pressure enables ultimate spraying control across a wide range of applications all with no manual pumping required for reduced fatigue. The interchangeable tank design allows you to add-on tank assemblies for different spraying applications, eliminating cross-chemical contamination.