This Chapin Industrial Acid-Staining Sprayer has COPT seals and gaskets to handle acid-based concrete stains. Generates 40 PSI to achieve a 10-20-foot spray height with 2-ft. spray width. The translucent poly tank makes it easy to monitor fluid levels and is resistant to most acid-based stains while remaining lightweight. U.S.A. Repairable Pump Yes, Pressure PSI 40, Dimensions L x W x H in. 8 1/8 x 8 1/8 x 16, Sprayer Type Handheld, Spray Pattern Cone, Seal Type COPT, Flow oz./min. 25.6, Hose Length in. 42, Wand Length in. 12, Broadcast Width ft. 2, Tank Size gal. 1, Spray Height ft. 15-20. COPT seals and gaskets to handle acid-based concrete stains Generates 40 PSI to achieve a 10-20-foot spray height with 2-ft. spray width Translucent poly tank makes it easy to monitor fluid levels and is resistant to most acid-based stains while remaining lightweight Poly shut-off with lock-on feature lets you lock the sprayer into spray mode to reduce fatigue 4in. mouth makes filling easy Large easy-to-use metal pump handle Pressure release valve