Sentry Prescriptions Plus Liquid Cat Flea and Tick Drops Etofenprox and Pyriproxynfen 0.047 oz

Sentry Purrscriptions Plus squeeze on is formulated with an adulticide called etofenprox. When applied monthly, Purrscriptions Plus kills adult fleas, ticks and repels mosquitoes, including the mosquito that carries West Nile virus, for up to one month. This product also includes pyriproxyfen, an insect growth regulator that kills flea eggs and larvae for up to three months per application.