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 4-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 Iris 15 AT3 Sprayer sets the standards for the professional industry and comes with unique features to perform a variety of spray jobs. Includes a 20" long brass wand & adjustable spray tip. Builds pressure up to a maximum of 87 psi.