Roundup® Dual Action Weed & Grass Killer Plus 4 Month Preventer Refill Rain Gear Shut-off feature on entry port

Shut-off feature on entry port

LONG-LASTING POWER

Compatible with salt systems

All Natural Yak And Cow Milk

Manganous Oxide

Roundup® Dual Action Weed & Grass Killer Plus 4 Month Preventer Refill Rain Gear Shut-off feature on entry portRoot out the toughest weeds and grasses with Roundup Dual Action Weed & Grass Killer Plus 4 Month Preventer. This formula kills existing weeds and grass down to the root, and prevents new weeds from growing for up to 4 months by creating an invisible barrier in the soil. Apply only where you want to kill existing weeds AND prevent future weed growth for up to 4 months, such as cracks and crevices in driveways, sidewalks, and patios, along fences, in