15 oz. Aerosol Hornet, and Wasp Killer. Water-based product that kills with a smothering foam action to stop insects from swarming out of nest. Formula is non-staining on siding or roof. This is a triple action insecticide, that provides instant knock down, quick kill, and prevents re-nesting for up to 4 weeks. Kills wasps, hornets, yellow jackets and bees including carpenter bees. Spray will reach nests up to 20 feet off the ground.