Pet Action Plus, Cat Flea & Tick Protection, 3 Month Supply, 2 Active Ingredients, Fipronil & S-Methoprene, For Fleas, Ticks, Larvae & Flea Eggs, Once A Month Application Can Keep Your Cats Protected Whether They Are In Or Outdoor Pets, For Felines Over 1.5 LB & Older 8 Weeks Of Age, Goes On Easily & Is Not Affected By Accidental Exposure To Water, Helps Prevent Itchy Infestations By Working Quickly After Application, Year Round Defense.