Hartz Topical Flea & Tick Prevention The patented and easy-to-use Pro-cision Flo angled applicator with rounded edges easily gets through cat's fur, for gentle on-skin application. Suitable for long and short-haired cats Includes 3 monthly treatments in easy to apply, single dose tubes Kills fleas, flea eggs, flea larvae and deer ticks, prevents re-infestation Repels mosquitoes for 18 days For use on cats and kittens 12 weeks and older weighing 5 pounds and over