The Chapin Jan/San Sprayer is designed for industrial strength cleaners. It features a 1-gallon poly bottle, ergonomic handle, large funnel-mouth opening for easy filling and cleaning and an anti-clog filter. This sprayer has an auto/manual high pressure relief valve, chemical-resistant seals and gaskets and reinforced hose. An adjustable poly cone nozzle allows a range of spraying, from fine mist to a coarse stream. The lock-on shut-off feature allows for continuous spraying.