Mortein PowerGard Flea and Crawling Insect Control Bomb kills fleas, cockroaches, spiders, silverfish, carpet beetles, moths and ant infestations, and protects for up to 9 months against fleas. Contains an Insect Growth Regulator (IGR) to kill flea eggs and break the breeding cycle. The IGR remains active for 9 months to prevent flea re-infestation. Features: - Kills fleas, cockroaches, spiders, silverfish, carpet beetles, moth and ants fast - Protects from flea reinfestation for up to 9 months - Complete do-it-yourself home protection kit. - Contains an Insect Growth Regulator to kill flea eggs and break the breeding cycle - No unpleasant residual odour - Locking tab releases the entire can contents as a fine mist that kills flea eggs and adult fleas where they hide.