SENTRY Fiproguard MAX for dogs uses the same veterinarian-recommended active ingredient, fipronil, found in Frontline brand products. But with Fiproguard MAX, the power of fipronil is maximized with the addition of a second active ingredient, cyphenothrin. Learn More
SENTRY Fiproguard for dogs uses the same veterinarian-recommended active ingredient, fipronil, found in Frontline brand products. But with Fiproguard MAX, the power of fipronil is maximized with the addition of a second active ingredient, cyphenothrin. Learn More
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