Zodiac Spot On Plus Flea Control for Cats and Kittens is an effective, affordable solution to your cats flea problems. This fast acting topical flea treatment effectively kills and repels fleas, deer ticks, flea eggs and mosquitoes. Mosquitoes may carry heartworm disease! Each application breaks the flea life cycle and protects your cat from re-infestation for up to one month. The specially designed applicator prevents misapplication. Follow instructions carefully for the best flea and tick protection. Stop flea problems before they start with Zodiac Spot On Plus for cats.