Chapin Industrial 3-Gallon PolyConcrete Sprayer 2217 3-gallon concrete sprayer designed for tougher spraying applications Spray handle features a lock-on setting for continuous spraying Female brass fan nozzle attaches directly to the spray handle or extension; 0.5 gpm and 1.0 gpm included Equipped with a nozzle holder 3-gallon poly viton tank