Back by popular demand! this M4 Backpack sprayer is slightly smaller than the standard M4 (4 gallons as opposed to 4 1/2 gallons). This sprayer features a totally sealed base that protects both the pump neck and the battery. Ideal for the customer who wants an extremely reliable sprayer and does not need to change the batteries often. Easily accessible components by removing six base screws (VS the battery door of the standard M4). All components are identical between this unit and the standard M4 including battery, pump, shoulder straps, switches, nozzles, Quick release, wands, valves, wand pocket and lid. (Limited quantities available)
If you would like the standard M4 (4.5 gallon) you can buy here.