Chapin International 63900 Chapin Self-Cleaning Backpack Sprayer for Fertilizer, Herbicides and Pesticides, 4 gal, Translucent White 4 gallon translucent tank with extra wide 6-inch mouth opening for easy filling and cleaning4-gallon translucent tank with extra wide 6-inch mouth opening for easy filling and cleaning Patented jet clean self-cleaning pump technology with 3-stage filtration system to keep filter clog-free from debris and residue Stainless-steel wand with cushion grip poly shut-off and 3 nozzles including poly fan, poly cone and adjustable brass Swing-away handle for right or left hand use, folds up for storage Padded shoulder straps and back pad