Seresto Large Dog Vet-Recommended Flea & Tick Treatment & Prevention Collar for Dogs Over 18 lbs. | 8 Months Protection

Seresto Small Dog Vet-Recommended Flea & Tick Treatment & Prevention Collar for Dogs Under 18 lbs. | 8 Months Protection

Hartz UltraGuard Pro Reflective Flea & Tick Collar for Dogs and Puppies, 7 Month Flea and Tick Prevention Per Collar, 1 Count

Hartz UltraGuard Flea & Tick Collar for Dogs and Puppies, 7 Month Flea and Tick Protection and Prevention Per Collar, White, Up to 20 Inch Neck

TevraPet Activate II Flea and Tick Collar for Dogs, 12 Months Prevention, 2 Count, One Size Fits All

Wondercide Dog Collar - Flea, Tick, and Mosquito Repellent, Prevention for Dogs - with Natural Essential Oils - Pet and Family Safe - Up to 4 Months Protection

4 Pack Flea Collar for Dogs, Dog Flea and Tick Treatment, 8 Months Protection Flea and Tick Collar for Dogs, Waterproof Dog Flea Collar, Adjustable Collar Flea and Tick Prevention for Dogs,Black

Hartz UltraGuard Plus Flea & Tick Collar for Dogs and Puppies, 7 Month Flea and Tick Prevention and Protection Per Collar, Reflective Orange, up to 22 Inch Neck

YOTANGO 4 Pack Flea Collar for Dogs, 32 Months Flea and Tick Prevention for Dogs, Waterproof Dog Flea Collar, Dog Flea and Tick Treatment, Adjustable Flea and Tick Collar for Dogs Puppy-Black

Dog Flea Tick Prevention Collar: Effective Flea Collar and Prevention for Dogs - Safe Dog Ticks Fleas Collars - Reliable Tick Flea Collars for Dogs - 24 Month Protection 4-Pack…