Effective, fast-acting aerosol spray that kills flies, wasps, and other flying insects. Suitable for use in domestic premises. Contains Permethrin & Tetramethrin. Shake the can well before use. Spray directly at the insect for 2-3 seconds from 60-90cm away. For room treatment, close all windows and doors, spray in all directions for 5-10 seconds for an average-sized room. Keep the room closed and do not enter for 10 minutes. Doff® fly & wasp killer aerosol is a ready-to-use, fast-acting insecticide for amateur use against crawling and flying insects such as flies, wasps, flying ants, midges, and mosquitoes by space or direct spray indoors in domestic premises. Supplied in an easy-to-use 300 ml aerosol can.