Durvet 011-1131 No Bite IGR House Fogger (3 Pack), 6 oz Contains a combination of three insecticides that stop the flea life cycle in three ways and controls other insects Nylon is an insect growth regulator that does not allow the flea to reproduce thereby providing long-term control Botanical pyrethrum provides effective quick-kill of insects upon direct contact and flushes insects from their hiding place Permethrin provides activity until nylar takes effect For use in homes attics basements garages apartments boats cabins campers closed porches kennels and more