Perimeter Tech Invisible Fence R21 Replacement Collar 7K

The Comfort Contact fencing collar from Perimeter Technologies is programmed to work with your Invisible Fence 700 Series System and was designed and manufactured with care right here in the U.S.A. by people who love their pets - just like you!

Perimeters patented Comfort Contacts cushion your pet's neck with soft rubber, unlike other pet fence systems. Pet Professionals prefer the softness of the Comfort Contacts to help reduce the incidence of skin irritations.