4 cans treat up to 24,000 cu. ft. (3,000 sq. ft. with 8 ft. Ceiling). Concentrated roach & flea fogger. Fill out and place hang-tag on the door to the treated area to alert family and others with access to the treated area not to enter for 2 hours. Do not enter. Kills 24+ Types of Insects: Kills cockroaches, fleas, pre-adult feas, ticks, ants, spiders, lice and lice eggs. Dust mites, palmetto bugs, mosquitoes, flies, gnats, silverfish, crickets, clothes moths, granary weevils, scorpions, centipedes, waterbugs, whiteflies, wasps, hornets and bees. Guaranteed to work or your money back. www.bengal.com. Guarantee - If you are not completely satisfied with this Bengal product, call 225-753-1313 weekdays, 8:30 am - 4:00 pm central time.