330 Ft. of Additional Boundary Wire

For use with the EF-4000 Electronic Dog Fence System

This roll of additional boundary wire is designed to be used with the Dogtek Electronic Dog Fence System EF-4000. Each roll comes with 330 feet of 18 gauge wire for expanding your electronic dog fence perimeter. A maximum of 450 yards of linear wire length can be used with a single system, allowing for up to 2.5 acres of coverage area.