Sentry Advance Guard2 for Dogs is a once-a-month topical treatment for fleas, flea eggs and larvae. Waterproof and starts working through contact. Contains 9.1% Imidacloprid and 0.46% Pyriproxyfen, the active ingredients used in Advantage II.
For dogs and puppies 7 weeks or older.
WARNING: DO NOT use on cats! Keep cats away from treated dogs for 24 hours.