- 2-Pack of Large Dog collars
- Kills fleas up to 8 months
- Non-Greasy, odorless, easy to use
- Safe for dogs and puppies 7 weeks and older
- Water resistant when dog is bathed or swims once monthly
Serest flea & tick collar provides 8 months of continuous protection for your dog against fleas and ticks with 2 active ingredients. Also kills chewing lice and aids in the treatment of canine Sarcoptic mange.