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Advantage II Flea & Tick Prevention & Treatment Cats Under 9 lbs

Advantage II is a topical flea control product for dogs that quickly kills all stages of existing fleas and protects against further infestations. It contains imidacloprid and pyriproxyfen, which work to kill fleas through contact, so fleas don't have to bite to die. One convenient application of Advantage II keeps working for one month.