2 X Johnson's Veterinary Flea Killer Bomb Room Fogger Multi packKills adult fleas, Stops eggs & larvae developing Treats floor area up to 35m, Protects for 7 months Room fogger (with i. g. r.) contains permethrin and s methoprene Kills fleas and other insects eg. ants, cockroaches, earwigs etc. prevents hatching eggs developing into fleas,protects carpets, soft furnishings and pet bedding for up to 7 months. Complete room treatment, simply place in room, press and leave.