Chapin International 63800 Chapin ProSeries Wide Mouth 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 cleaning Compatible with common fertilizers, weed killers and pesticides 3-Stage Filtration system with in-tank removable/cleanable filter Cushion grip poly shut-off with three nozzles for a variety of applications Padded shoulder straps to accommodate a full backpack for hours