TevraPet FirstAct Plus Flea and Tick Prevention for Cats Over 1.5lbs, 6 Monthly Doses, Topical DropsCOMPARE TO FRONTLINE PLUS FOR CATS Contains fipronil and (S) Methoprene, the same fast acting, vet quality active ingredients as the leading brand Breaks flea life cycle FirstAct Plus topical stops infestations and prevents new ones. Repels and kills fleas and ticks on contact, and kills flea eggs and larvae, chewing lice, and all stages of ticks including those that may transmit Lyme disease Powerful and affordable flea protection your cat is