Offering unparalleled performance and comfort during use, this Field King Max No-Leak Backpack Sprayer’s rugged four-gallon capacity sprayer delivers up to 150 psi to easily spray insecticides high into trees and also delivers a continuous 25 psi spray to effectively distribute weed killers. Featuring a NoLeak system, the internal pump won’t leak on the user and ensures safety when spraying. Designed for ultimate comfort, the sprayer features built-in lumbar support, a full back padded harness, a padded waist belt, a chest belt, and thick, adjusable padded shoulder straps. The handle folds away for easy storage and is reversible for left or right pump operation. Other features include a stainless steel wand, an extra long reinforced hose, a built-in carry handle, gallon graduations molded into the tank, and Viton seals and gaskets. Includes four nozzles (adjustable brass, low volume fan tip, high volume fan tip, and foaming).