Backpack Sprayer Chapin The Chapin SureSpray Backpack Sprayer is ideal for the homeowner. The 4-Gallon poly tank has a 4-inch wide mouth opening for easy filling and cleaning. Featuring a 3-stage filtration system to prevent clogging, a translucent tank for viewing of fluid level, poly shut-off, 2 nozzles for a variety of applications and padded shoulder straps. Nitrile seals provide compatibility with common fertilizers, weed killers and pesticides.
