SENTRY Fiproguard Plus contains fipronil, the #1 veterinarian-recommended active ingredient, and (s)-methoprene to protect against fleas, flea eggs, flea larvae, ticks and chewing lice. This fast-acting and long-lasting squeeze-on breaks the flea life cycle by killing flea eggs and larvae. It also helps to protect your pets and family from illness by killing ticks that may transmit Lyme disease. SENTRY Fiproguard Plus is just as effective against fleas and ticks as FRONTLINE Plus.
Kills fleas, flea eggs, flea larvae, ticks and chewing lice for up to 30 days Stops the flea life cycle and kills flea eggs and larvae for up to 12 weeks Kills ticks that may transmit Lyme disease Waterproof For use on dogs 8 weeks of age and over Choose from four dog products by weight range