Sentry Advance Guard 2 for large dogs contains imidacloprid and pyriproxyfen, the same active ingredients in Advantage II, to kill fleas, flea eggs and flea larvae. For use on puppies and dogs 21 to 55 pounds and 7 weeks or older.
- Controls mutli-stages of flea lifecycle
- Kills fleas within 12 hours of application
- Starts working through contact
- One treatment prevents flea infestation for up to 4 weeks
- Waterproof - remains effective even after bathing, swimming, or exposure to sun or rain
* Ingredients and dosage listed are for informational purposes only and are subject to change by the manufacturer. Always refer to the manufacturer and actual product label/inserts for current ingredients, recommended dosage, precautions and warnings before use.