Ortho GroundClear Vegetation Killer Ready-To-Use2 kills and prevents weeds for up to 1 year. Apply to driveways, sidewalks, fence lines, patios and gravel areas and start to see visible results in 6 hours. This easy-to-use Comfort Wand which provides precise control for maximum accuracy.Features Kills and prevents weeds for up to 1 year Visible results in 6 hours Apply to driveways, sidewalks, fence lines, patios and gravel areas Easy-to-use and reusable Comfort WandSpecifications Kills and prevents weeds for up to 1 yearVisible results in 6 hours Size: 1.33 Gallon