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Translucent. ultraviolet-resistant and featuring a molded contour frame with lumbar support, the Back Pack from Gilmour is an easy-to-use 4.5-gallon polyethylene tank. It comes with a flexible polymer wand that telescopes from 16 to 30 inches. Additionally, the 4.25-inch-wide mouth opening has a filter screen, and the external pressure control valve allows for easy adjustment from 15 PSI to 90 PSI. The pump handle also easily adjusts for the right or left hand or to any angle, and the 56-inch, chemical-resistant, reinforced-PVC hose ensures safe and easy distribution.

For added safety, Viton seals in the pump, discharge valve and pressure control valve help prevent spilling or leaking. There's also a storage compartment on the service panel for extra spray tips and a built-in carry handle for easy portability. The Back Pack comes ready to use; no assembly required. It also includes a fixed fan spray tip and adjustable cone to stream tip.