Has a connecting rod actuated piston pump that is capable of producing a wide pressure range of up to 90 P.S.I. and is capable of performing virtually every spraying task. Effectively handles disinfectants, fertilizers, herbicides, pest control, and plant protection. Ultra violet resistant high- strength polyethylene tank and internal components with Viton seals. Reversible pump lever, built in filter screen fiberglass reinforced spraying wand, and an adjustable pressure control valve. 4 gallon tank. Large opening with strainer for easy filling and padded shoulder straps. 9.4 lb. dry weight.