The standard for backpack sprayers! 4 gallon operating capacity. Connecting rod activated piston pump design is capable of producing a wide pressure range up to 90psi. Distinctive tank is made of high density polyethylene, UV inhibitors and other chemical resistant materials for a high quality tank. Padded straps with pull tabs for quick and easy adjustments. Contains built-in strainers, screens and filters to help keep debris out of nozzles. Equipped with adjustable, flat spray, hollow cone, and jet stream nozzles to fit virtually any spraying need. 28″ unbreakable wand prevents damage common to brass and brittle plastic wands. Shut-off valve on wand. 4.25″ opening for easy filling and cleaning. Viton seals, gaskets and O-rings provide excellent chemical resistance and durability. One year warranty.