Roundup Dual Action 365 1 Gal. Exclusive Formula Weed & Grass Killer with Comfort Wand powerful, long-lasting weed control designed to protect your lawn and garden for up to 12 months. This one-step weed protection formula effectively kills and prevents a wide variety of tough weeds and grasses, including clover, dandelion, large and smooth crabgrass, poison ivy, and many other broadleaf and grassy weeds, as well as brush. It works quickly, becoming rainproof in as little as 30 minutes and delivering visible results within hours. With the added convenience of the Comfort Wand, application is easier and more precise, helping you maintain a healthy, weed- outdoor space. Model Number: