One of the most popular pre-emergent herbicides for the control of crabgrass and other annual grassy weeds in established turf. Labeled for use on bahiagrass, bermudagrass, centipedegrass, fescue, Kentucky bluegrass, perennial ryegrass, St. Augustinegrass, zoysiagrass, and high cut bentgrass. Combines 2 active ingredients, Balan and Treflan for superior control and long lasting results.