flea control for cats is for cats and kittens 8 weeks and older. It kills flea larvae in the dogs surroundings. It kills 98-100% of fleas within 12 hours. It is applied monthly and each packet contains 4 applications providing 4 months of protection. It is safe and easy to use. It can be use on pregnant and lactating animals, is water-resistant, and continues to work even after shampooing. Find the one right for the weight of your cat. Get your cat started on Advantage flea treatment before the fleas start to bite. Try 4, 6, or 12 month effective flea protection.