Hartz Ultra Guard Flea & Tick Collar, for Dogs, Clean Fresh Scent

For dogs with necks up to 20 inches. Red collar. Water resistant. Kills: fleas, ticks for up to 7 months. When your dog has fleas and ticks, your family and pet may be exposed to: Lyme disease, tapeworm infestation, flea bite anemia, flea allergy dermatitis.