Rechargeable Backpack Sprayer, 4 gal. (15 L)Sprays up to 58 gallons on a single 2 hour battery charge Wide mouth funnel for easy filling and cleaning 3 Stage filtration system with in tank removable filter to prevent clogging Deluxe padded shoulder straps for hours of comfortable spraying Carrying handle built right into the cap Santoprene seals in the pump offer maximum chemical resistance Cushion grip shut off with built in, serviceable filter to assure that no debris can clog the nozzle tip