Nippon Fly & Wasp Killer Aerosol controls flies, wasps, mosquitoes, midges and other flying insects in and around the home. Fast acting with immediate effect on contact. Can be used in the home in food preparation and storage areas. Contains Permethrin and Tetramethrin. Apply At the first signs of fly activity. How to Use Spray the pest in short bursts from a distance of 90-150cm. Can be sprayed into a room with all doors and windows closed where insects are present. Spray several short bursts, shut the door and leave the room for 10-15mins.