Adams Plus Flea and Tick Collar Flea and Tick Treatment (Pet Size: Large) in the Pet Flea & Tick Treatments department at Lowes.com
Amazon.com : Hartz UltraGuard Flea & Tick Collar for Dogs and Puppies, 7 Month Flea and Tick Protection and Prevention Per Collar, White, Up to 15 Inch Neck : Pet Flea And
Amazon.com : Flea and Tick Collar for Dogs,Flea and Tick Treatment and Prevention for Dogs up to 8 Month,One Size Fits All,100% Natural Ingredients, Waterproof,Include Tick Removal Tools,2 Pack : Pet Supplies
Seresto Flea and Tick Collar for Dogs | PBS Animal Health
Seresto for Cats all weights, 15" collar length | 1800PetMeds