Sentry Fiproguard Liquid Cat Flea Treatment 9.70% Fipronil and 90.30% Other Ingredients 0.017 oz

Sentry Fiproguard is a topical flea and tick treatment that protects your cat from fleas, ticks and chewing lice. Fiproguard contains Fipronil, the same active ingredient used in frontline. One dose is fast-acting and long-lasting. Its sustained-release formula protects cats for up to 30 days. Kills deer ticks, brown dog ticks, American dog ticks and lone star ticks.