Each can treats a room up to 16 ft x 16 ft with an 8 ft ceiling or 2,000 CU ft of unobstructed space. Kills bed bugs, fleas, lice & ticks & other listed insects. Inhibit flea reinfestation for up to 7 months. Guaranteed! To work, or your money back (For terms of guarantee, see bottom panel) (Guaranteed! If you are not satisfied with this product for any reason, send your written request for a refund to the address above, together with the original dated store receipt showing the price you paid. Please allow 6-8 weeks for processing). Contains Nylar: Prevents fleas from developing into the biting adult stage. Kills Insects: bed bugs; beetles; boxelder bugs; cockroaches; earwigs; fire ants; fleas (eggs); fleas (larvae); fleas; flies; flying moths; gnats; grain weevils; hornets; lice; millipedes; mosquitoes; palmetto bugs; pharaoh bugs; pharaoh ants; pillbugs; silverfish; sowbugs; wasps; ticks; yellow jackets. For Use Indoors in: apartments; attics; basements; boats; cabins; closed porches; condominiums; garages; homes; kitchens; pet sleeping areas; rooms. Contains no CFCs or other ozone depleting substances. Federal regulations prohibit CFC propellants in aerosols. Questions or comments? Call 1-800-917-5431.