Hartz 2 In 1 Flea & Tick Collar for Large Dogs
Bright white, for dogs with necks up to 26". Kills fleas and ticks common to dogs, including Rocky Mountain Wood Tick, carrier of Rocky Mountain Spotted Fever, and the deer tick, which may carry Lyme...
Pros: Offers minimal control on the front area.
Cons: Sends the parasites to the rear of the dog.