Keep your surroundings free of mosquitoes and outdoor bugs with the Bengal Yard and Patio Fogger. Guaranteed for effective results, this 17-oz. aerosol fogger provides a quick knockdown of mosquitoes, ants, flies, gnats, spiders, scorpions, and moths and kills for a 24-hour period if landed on the treated surface. Flying insects that come into contact with the bug spray in the air or on treated surfaces will quickly die, and it efficiently kills mosquitoes that may carry West Nile and Zika viruses. It is highly effective on crawling insects like ants, spiders, crickets, scorpions, centipedes and more, this patio fogger can treat overhangs and other protected surfaces to prevent spiders from building webs for up to 30 days. It won't damage any plants, trees, bushes, windows, porches, light fixtures, or finished surfaces of homes, so you can use it on your yard or patio without worry. This fogger contains a high 2% concentration of Permethrin, an insecticide that is a powerful killing agent on insects and 0.05% concentration of ETOC, a state-of-the-art insect knockdown agent.