Avantect is the solution you need for flea, tick and mosquito control for your pet. Ingredients include imidacloprid, permethrin, and pyriproxyfen – the same ingredients found in Advantix II. These broad spectrum topical ingredients kill and repel fleas, flea eggs, ticks and mosquitos. Choose the size that fits your pet. Use only on dogs 7 weeks and older. One tube treats your pet for aproximately 1 month.