Sentry Fipro Guard is a generic equivalent of Frontline Top Spot using the same veterinarian-recommended active ingredients. Fipro Guard is a trusted, effective way to kill adult fleas and ticks. It Protects your cat against chewing lice as well. Frontline Top Spot is a registered trademark of Merial. Frontline Top Spot and Merial are not affiliated with Sergeant"s. Fipro Guard is a trademark of Sergeant"s.