This 4 gal. backpack sprayer/spray tank is designed to water, fertilize, control weeds, control pests and apply sealers. The versatile garden sprayer is constructed from durable polyethylene and comes with a convenient shoulder strap and a funnel top for fast filling. Whether working in the yard or remodeling the home, this 4 gal. backpack sprayer/spray tank is the easy, fast way to spray! Durable polyethylene tank construction translucent tank makes it easy to monitor liquid levels 4 gal. tank capacity overflow top and integrated filter chemical resistant seals.