Spray Doc Multi-Purpose Poly Sprayer, 1-Gallon . Extra-wide 3-1/4" mouth for easy fill and cleaning. Automatic or manual pressure relief valve with pressure indicator ring. Fast pressurizing, 10" non-corroding polymer pump. Replaceable pump cup. Chemical resistant polymer discharge valve with comfort grip. Chemical resistant leak proof Viton seals in discharge valve and tip. Flexible 16" rotating polymer wand with adjustable polymer nozzle. 33" premium PVC hose. Wand storage clip on locking "D" type carry handle. 1 gallon operating capacity with 1-1/3 gallon actual capacity.