Ortho's GroundClear Vegetation Killer Ready-To-Use2 kills and prevents weeds from coming back for up to 1 year. Apply to driveways, sidewalks, fence lines, patios, and gravel areas, and start to see visible results in 6 hours. The easy-to-use Comfort Wand provides precise control for maximum accuracy. | Ortho GroundClear Vegetation Killer Ready-To-Use2 with Comfort Wand | Size 1.33 gal