For use on cats 5 lbs. and over. Kills fleas, deer ticks, larvae and flea eggs for up to 1 month. Kills and repels mosquitoes. Prevents re-infestation for up to 1 month. Pro-cision flo applicators. 3 months supply. Kills mosquitoes that may transmit heartworm disease. Kills fleas that may cause flea allergy dermatitis, flea bite anemia and tapeworm infestation.