Black Flag Extreme Home Insect Control Concentrate, 16-Ounce USE INDOORS AND OUTDOORS: Spray as a whole home treatment for listed insects. KILLS 47 LISTED INSECTS: Controls cockroaches, ants (including carpenter ants), houseflies, mosquitoes, fleas, ticks and bed bugs. NON-STAINING: Water-based, fragrance-free formula. CONCENTRATE: One 16 oz bottle will make up to 2 gallons of ready-to-use spray. GUARANTEED: Guaranteed to work or your money back. See product label for details.