Spectracide® HG-96396 Weed & Grass Killer with Extended Control2 Refill, 1.33 GalSpectracide Weed & Grass Killer with Extended Control2 is a non selective herbicide that will kill any vegetation contacted and will prevent re growth for up to 3 months. It enters plants through the leaves and moves down to the roots. This will ensure that the entire plant is eliminated. It also provides a protective barrier that prevents weeds and grasses from emerging for up to three 3 months. Avoid direct spray or drift onto desirable plants, lawn