Chapin International 61575 Chapin Euro Style Backpack Bleach and Disinfectant Poly Sprayer Great for Mold Remediation and General Cleaning Applications, 4 gal, Translucent White 4-Gallon 4-inch wide mouth opening with removable strainer, translucent tank for easy filling and cleaning Compatible with bleach solutions and fungicides Up to 100 psi of pressure Comfort-grip poly shut-off and reinforced hose, adjustable cone and fan nozzles included Padded shoulder straps to accommodate a full backpack for hours