Vet-Kem Fogger is used to kill adult fleas, cockroaches, spiders, mosquitoes, and silverfish. It also stops flea eggs from hatching. It provides protection of up to 30 weeks and treats arounf 6000 cubic feet. The fogger is meant to be used in an unoccupied room, but leave no lingering odors or stains. Stop your flea infestation immediately with Vet-Kem Fogger!