Provecta Advanced Flea Tick XL Dogs 55+ lbs 4-Month Topical Repels MosquitoesProvecta Advanced for Dogs over 55 lbs is a once a month topical application that kills and repels fleas, ticks (Brown dog ticks, American dog ticks, Lone Star ticks, and Deer ticks), lice, and mosquitoes and aids in the control of biting flies. For use on dogs seven weeks of age and older. 4 month supply. Key Points: 4 month supply for XL dogs over 55 lbs Once a month topical kills & repels fleas & ticks Repels mosquitoes, lice & biting flies For