Invisible Fence R21 Replacement Collar 10K

Perimeter Technologies, a leading manufacturer of electronic pet fencing, has designed a cost effective alternative to the once exclusive Invisible Fence R21 Fence dog fence collar, providing owners of the nation�s largest and best known professionally installed dog fence brand a significant savings on their replacement collar receivers. Don�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 Invisible Fence brand back in 1976!Compare Perimeter Technologies with your current R21:PATENTED Comfort Contacts cushion your dog�s neck in soft rubberPATENTED 3-Way, Omni-Directional antenna design eliminates the �holes� found in lesser pet fencing systemsWATERPROOF and submersible collar receiver designPROGRESSIVE STIMULATION allows your dog to choose the fence level that is righ