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Amazon.com : Dogtra 1900S Remote Training E-Collar - 3/4 Mile Range - Electronic Dog Training Collar, Waterproof, Rechargeable, High-Output, Adjustable Levels, Vibration, Obedience, Hunting, K-9, Stubborn Dogs : Pet Supplies
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Amazon.com : 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 : PetSafe :
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PetSafe Stubborn Dog Stay & Play Wireless Fence Receiver Collar, Waterproof, Rechargeable - Walmart.com
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Amazon.com : PetSafe Stubborn Dog Stay & Play Wireless Pet Fence Receiver Collar, Waterproof and Rechargeable, Tone and Static Correction, PIF00-13672, from the Parent Company of the INVISIBLE FENCE Brand : PetSafe :
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Amazon.com : PetSafe Stay & Play Wireless Pet Fence for Stubborn Dogs – No Wire to Bury – Covers 3/4-Acre Yard – For Hard-to-Train Dogs 5 lbs. & Up – Portable –
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