* 4.5 gallon translucent ultraviolet resistant polyethylene tank * 4-1/4" wide mouth opening with filter screen for easy filling and cleaning * External pressure control valve for easy adjustment from 15 PSI to 90 PSI * Polymer piston pump with adjustable pump seal and built-in filter screen can easily be serviced in field. No tools required. * Pump handle easily adjusts for right or left hand or to any angle for comfortable operation * Durable Viton seals in pump housing, discharge valve and pressure control valve * 56" chemical resistant reinforced PVC hose * Flexible 16" polymer wand with adjustable cone to stream tip * Molded contour frame with lumbar support * Adjustable shoulder straps; built-in carry handle * No assembly required ITEM NO: 13620946 DESCRIPTION: 4 Gal. Backpack Sprayer MODEL: 040BP UPC: 34411-110409 VL: N UM: EA PK: 1