Wolman BackSaver Deck Sprayer :  Use to apply exterior wood cleaners, strippers, water sealers, stains or other exterior coatings when low pressure, pump-style spray application is recommended. Key Features: High capacity, gallon polyethylene tank is lightweight and easy to use. Spray gun includes a 15" telescoping wand for extra reach and even coverage. Reduces back stress; eliminates bending and stooping. Adjustable brass nozzle provides wide fan spray pattern. The hose frees operator from constant handling. Chemical-resistant tank, hose, seals and pump assembly -- will not rust or corrode. Contains no aluminum parts, making it compatible with acidic-base products.