Advantage II for Small Cats (5 - 9 lbs, 2 Months Supply)
Brand: Bayer Animal Health

Advantage II is a fast topical flea control for cats that kills fleas at all life stages. Fleas are killed within 12 hours and, to protect against further infestations, re-infesting fleas are killed within 2 hours. Advantage II kills fleas through contact, so they do not have to bite to die. One convenient waterproof application of Advantage II lasts for 1 month. Once-A-Month Topical Treatment for Fleas For use on cats and kittens 8 weeks and older For the Prevention and Treatment of Flea Infestations on Cats

Kills all flea life stages - including eggs and larvae
Includes imidacloprid, an adulticide, plus pyriproxyfen, an insect growth regulator
Prevents fleas on treated cats from infesting your home
Kills fleas on cats within 12 hours of application
Waterproof, Fragrance-free