Kills on contact! Backyard. Kills mosquitoes & other listed outdoor insects. Water based. Cutter: Treats up to 1,200 cu ft ( an area 8 ft x 10 ft x15 ft). For use in backyards, patios, decks & picnic areas. Kills annoying mosquitoes, gnats, flies, wasps, flying moths & ants (except carpenter, fire, pharaoh acid and harvester ants. www.cutterinsectrepellent.com. Questions or comments? Call 1-800-767-9927 or visit our website at www.cutterinsectrepellent.com. Contains no CFCs or other ozone depleting substances. Federal regulations prohibit CFC propellants in aerosols.