RM43 1 Gallon Concentrate Total Vegetation Control Plus Weed Preventer. This powerful herbicide effectively kills trees, brush, vines, weeds, and grass, making it ideal for cleaning up fence rows, gravel driveways, sidewalks, vacant lots, around farm buildings, and cemeteries. It treats over 17,297 Sq.Ft. and makes up to 21 gallons of ready-to-use equivalent. Do not apply over the root zone of desirable plants.