Beaphar FLEAtec Household Flea Spray is a premium flea control product, combining insecticides with an insect growth regulator to fully protect your home against all stages of the flea lifecycle. It quickly kills adult fleas, as well as other crawling pests such as cockroaches, ants, or silverfish. Meanwhile, the insect growth regulator 'S-methoprene' targets the developmental stages of the flea lifecycle. Kills flea larvae and prevents flea eggs from hatching for up to six months.