Chapin ProSeries™ 4 Gallon Back Pack Sprayer is ideal for professional landscapers and homeowners alike. The 4-gallon poly tank features a 4-inch wide mouth for easy filling and cleaning, along with a 3-stage filtration system and removable in-tank filter to prevent clogging. Its translucent tank allows easy monitoring of fluid levels, and it includes a poly wand, cushion grip shut-off, and brass nozzle with a 3-piece nozzle kit. Padded shoulder straps make carrying a full tank comfortable for extended use, and Viton seals ensure compatibility with fertilizers, weed killers, and pesticides.