Chapin 2608E 1-Gallon Industrial Janitorial/Sanitation Poly Sprayer, 1-Gallon (1 Sprayer/Package) 1-gallon poly bottle with wide mouth for easy filling and cleaning Compatible with common industrial strength cleaners and degreasers (check chemical manufacturer's instructions) Reinforced hose and poly shut-off with Lock-on feature for continuous spraying Adjustable poly cone nozzle sprays a coarse stream to a fine mist Pressure relief valve