Perimeter Invisible Fence Replacement Receiver (7khz)

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Perimeter Technologies

100 In Stock

EPPIR-003 7k

7K is the most common frequency,the PIR-003 10K was used in installations experiencing frequency conflicts with neighboring containment systems. 

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 rubber
  • Patented 3-Way,Omni Directional antenna design eliminates the “holes” found in lesser pet fencing systems
  • Waterproof and submersible collar receiver design
  • Progressive Stimulation allows your dog to choose the fence level that is right for their personality
  • Small and light weight collar design is a mere 1.1 oz!
  • Long lasting replaceable lithium ion batteries
  • Designed and Manufactured in the USA
  • Limited Lifetime warranty
  • 100% compatibility – guaranteed!

This replacement collar receiver for 700 Series Invisible Fence systems only and will not work with 800 series or later,including new Titanium Series. The Perimeter collar is not compatible with Shields™ Indoor Avoidance transmitters.


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All orders over $50 and shipped to a destination within the continental United States are shipped free of charge!

Items excluded from the free shipping offer include certain heavy items or items that require refrigeration or expedited shipping. You will be presented with a shipping quote at the time of checkout.

As always, you can select a faster shipping method during checkout for additional expense. Most orders ship within 1-3 business days of when you place your order. We ship via all major mail carriers, including UPS, FedEx, and the United States Postal Service. Unfortunately, customers are unable to specify the carrier of their choice when selecting the Free shipping option. Even though your order is processed to your card immediately, there are rare occasions where we may face an unforeseen delay in shipping your order. We will notify you by email if we determine your order within the 1-3 business days.

Standard Shipping: Our standard shipping method is ground shipping. You should receive your products within 5-10 business days from the day you order them.

PO Box Shipping: We can ship most items to a PO Box. If we determine that an item cannot be shipped to a PO Box, we will ask you to provide a physical shipping address.

International Shipping: While we ship a great deal to customers in Canada, United Kingdom, Puerto Rico our international shipping is a work in progress. While we can ship to most  countries, the actual shipping amounts may vary - we will email you after you place your order if there are any changes (add or subtract) to your shipping, before we ship your order.


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