Pet Sentry PurrScriptions Plus Flea and Tick Squeeze-On Cat Over 5-Pound 6 Dose. Kills, Protect, Control Supply Store/Shop Kills Fleas, Flea Eggs, Larvae, Ticks and Repels Mosquitoes 5 way protection Repels mosquitoes for one month Kills flea eggs and larvae for up to three months per application 6 doses for cats and kittens 5 lbs and over