Features: RM43 weed preventer treats 43,243 sq. ft. This weed killer concentrate kills weeds and prevents weeds for up to 1 year Ideal herbicide for fence rows, gravel paths, sidewalks, driveways, parking areas and around farm buildings and barns Glyphosate and imazapyr formula for effective use against most noxious weeds, grasses, vines, brush and trees Apply this weed prevention product to locations only where no vegetation is desired This vegetation killer concentrate can be used for total vegetation control (bare ground) or spot control of brush, vines and weeds Do not spray this vegetation killer concentrate over the root systems of desirable plants Includes 2.5 gal. of weed killer Use hand-operated spray equipment such as backpack sprayers, pump-up sprayers or sprinkling cans, or ATV/tractor-mounted sprayers to apply this weed killer