Advantage Treatment Spray kills and repels fleas, ticks and lice on cats over 7 months. Not only can this spray be applied directly to your cat, it can also be used to kill fleas hidden in carpets, rugs, draperies, upholstery, pet bedding, floor cracks and cabinets. The combination of ingredients in the Advantage Treatment Spray kills adult fleas, hatching fleas and flea eggs for 100 days before they grow up to bite! As part of a complete flea control program, treat pets and indoor areas where animals frequent using EPA regulated outdoor spray and flea and tick spray. Advantage Flea and Tick Treatment Spray for cats is for use on cats only.