This insecticide is for use only in an automatic aerosol dispenser which releases 55 mg of insecticide every 15 minutes or which releases 27.5 mg of insecticide every 7-1/2 minutes. The continuous use of this insecticide will reduce flying insect populations (flies, mosquitoes and gnats) within a few hours. One can protect a room up to 170 cubic metres for up to 30 days.