Chapin 60114 4-Gallon Poly Backpack Sprayer with 3-Stage Filtration System for Fertilizers, Herbicides, Weed Killers and Pesticides Price: $59.99 (as of 25/07/2023 22:51 PST- Details)

4-GALLON POLY TANK: translucent, chemical-resistant tank
FILTER CAP: included with 4-inch tank opening to help catch debris when filling
FILTRATION SYSTEM: 3-stage is standard on Chapin backpack sprayers – cap, shut-off and pump