Roundup Fast Action TOTAL Weedkiller RTU 3L with Gun Dispenser. 

Roundup Fast Action Ready To Use is a systemic weedkiller that kills from the inside out, and by killing weeds right down to the roots it ensures that they would not come back. Results are visible within 1-2 days and the product fully degrades back into the soil to allow replanting.

• Fast action ready to use weed killer that kills the weeds and roots with visible results in 1-2 days
• Kills most garden weeds with a single application; up to 3 minutes of continuous spray when using 3 L option
• Kills the roots so weeds don't come back
• Children and pets need not be excluded from treated areas (once dry)
• Degraded in the soil by micro organisms
• Leaves no harmful residues to allow replanting within 7 days