"Ergonomically designed hand pump handle and backpack carrying frame make this sprayer ideal for disinfectants, fertilizers, herbicides, pesticides and formulations for tree, shrub and plant protection. Sprayer is equipped with easy-moving pumps with large cylinder capacity for extended but comfortable operation. Features smooth exterior surfaces without annoying edges. The lightweight shutoff valves and rugged spray tubes fit nicely in the operators hand. Wand Length in. 28, Pump Type Piston, Tank Size gal. 4, Hose Length in. 48, Pressure PSI 90, Seal Type Viton. Large 4 1/2in. opening allows easy filling and cleaning Operates at up to 90 PSI 28in. wand for hard-to-reach places 4ft. high-pressure hose High-grade construction with Viton seals resists corrosion"