This is the new AT3 style backpack. The handle is now reversible -this Birchmeier Backpack can be configured to pump with left or right hand. The professional 2.5-gallon backpack sprayer allows for easy and comfortable spraying jobs including lawns, decks, greenhouses, patios and more. Designed to last and ensure safety, the Birchmeier 10K Flox Sprayer sets the standards for the professional industry and comes with unique features to perform a variety of spray jobs. A 20-inch brass wand & adjustable spray tip. Pressure level of up to 87 psi. Birchmeier Flox 10 AT3 Backpack Sprayer