This new sprayer comes with foldaway handle, full back padded harness and waist belt. The internal pump will never leak on the backside of the user. The reliable pump system pressurizes up to 150 psi for distance spraying and is equipped with a low pressure 25 psi regulator for controlled herbicide spraying. Engineered for comfort with its thick padded straps, waist belt, chest belt, and lumbar support. Viton o-rings and seals maximize the resistance to harsh chemicals. The built-in agitator keeps solutions better mixed. Deluxe shutoff with filter, durable stainless steel wand, and brass adjustable nozzle. It has a 4-gallon capacity.