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PetSafe Stubborn Dog Fence Receiver Collar RF-275 works with SportDog SDF-R 100A 729849107564 | eBay
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PetSafe Stubborn Dog Receiver Collar, In-Ground Fence Collar, Waterproof, with Tone, Vibration and Static Correction for dogs 8lb and Up - Not Compatible with YardMax and UltraSmart : Amazon.ca: Pet Supplies
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