Perimeter Technologies Invisible Fence Replacement Collar Wellness PetSafe's fence is perfect for

PetSafe's fence is perfect for owners who want to give their dog exercise and playtime in the yard without worrying about their safety

Dimensions: 14" x 23" x 7"

The wide rubber base absorbs vibrations making air pumps virtually silent

structures with metal siding or structures with metal roofs

A great benefit of the Aqueon QuietFlow filters is the internal pump design that helps dampen noise

Perimeter Technologies Invisible Fence Replacement Collar Wellness PetSafe's fence is perfect forDon't be fooled by the low aftermarket price. Perimeter Technologies is a brand you can trust with products that are loaded with exclusive features and benefits not found in the original. As a matter of fact, Perimeter Technologies' President is the same person that founded the Invisible Fence brand back in 1976! Compare Perimeter Technologies with your current R21: PATENTED Comfort Contacts cushion your dog's neck in soft rubber. PATENTED 3 Way, Omni