Perimeter Technologies Four Pack Dog Fence Batteries for Invisible Fence R21 or R51 Receiver Collars (4-Pack) mens M: For belly circumference of

M: For belly circumference of 74-89cm (29-35inches)

this means you are always in control of how fast or slow you want to go

GRAPHITE FACE: The RZR features an industry-leading textured graphite face to enhance touch and control

UPC: 680665795123

distance and calories

Perimeter Technologies Four Pack Dog Fence Batteries for Invisible Fence R21 or R51 Receiver Collars (4-Pack) mens M: For belly circumference ofBrand: Perimeter Technologies Features: Pack of 4 batteries. The Perimeter Brand Invisible Fence Replacement Battery is the best solution for keeping your Invisible Fence Brand system operating safely. Compatible with R21, R22, or R51. Less Expensive than the original. Publisher: Perimeter Technologies Details: The Perimeter Brand Invisible Fence Replacement Battery is the best solution for keeping your Invisible Fence Brand system operating safely.