Zero In SOK is a powerful aerosol insect killer. It is a Pyrethroid (plant derived) insecticide to provide maximum control and a fast, on contact kill! Zero In SOK’s flushing effect drives insects away and keeps them away. It provides broad spectrum insect control even on highly resistant insects. Use to control flying pests like houseflies, gnats, deer flies, biting flies, moths, and mosquitos; crawling pests like ants, roaches, fleas, earwigs, spiders centipedes and grain mites; and pests on ornamental plants!