Perimeter Technologies Add-on or Replacement Electric Dog Fence Containment Collar - Compatible with Invisible Fence R21 Series Fences (7k Frequency) : Perimeter Technologies : Wireless Pet Fence Products : Pet Supplies

Perimeter Technologies Invisible Fence R21 Replacement Collar 7K - 1 Dog and Free Backup Collar Strap : Extreme Dog Fence : Pet Supplies

Perimeter Technologies Invisible Fence R21 Replacement Collar 7K - 1 Dog and Free Backup Collar Strap : Extreme Dog Fence : Pet Supplies

Perimeter Technologies Add-on or Replacement Electric Dog Fence Containment Collar - Compatible with Invisible Fence R21 Series Fences (7k Frequency) : Perimeter Technologies : Wireless Pet Fence Products : Pet Supplies

How to Set the Correction Level of the Premier Pet Wireless Fence

Invisible Fence Flags

INVISIBLE FENCE COMPATIBLE - This collar will work with Invisible Fence Brand Inground Fences prior to the 800 Series, Including ICT-700, ICT-725,

Perimeter Technologies Add-on or Replacement Electric Dog Fence Containment Collar - Compatible with Invisible Fence R21 Series Fences (7k Frequency)

Perimeter Technologies Invisible Fense 700 Series Compatible Dog Fence Collar

Invisible Fence Collar Replacement

Perimeter Technologies Invisible Fence R21 Replacement Collar 7K - 1 Dog and Free Backup Collar Strap : Extreme Dog Fence : Pet Supplies