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Amazon.com : dogIDs Fi Tracker Compatible Personalized Waterproof Dog Collar - use with Fi Series 2, Odor Resistant, Custom Name Plate - Wine, 1 in x 14 in (Fits Neck Sizes 12-16
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Amazon.com : dogIDs Fi Tracker Series 2 Compatible Reflective Personalized Waterproof Dog Collar - Adjustable, Odor Resistant - Blue, 1 in x 16 in (Fits Neck Sizes 14-18 in) (Fi Series 2 NOT Included) : Pet Supplies
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Fi Series 2 GPS Tracker Smart Dog Collar, Yellow, Small: 11.5 to 13.5-in neck, 1-in wide - Yahoo Shopping
![Amazon.com : dogIDs Fi Tracker Compatible Personalized Waterproof Dog Collar - use with Fi Series 2, Odor Resistant, Custom Name Plate - Wine, 1 in x 14 in (Fits Neck Sizes 12-16 Amazon.com : dogIDs Fi Tracker Compatible Personalized Waterproof Dog Collar - use with Fi Series 2, Odor Resistant, Custom Name Plate - Wine, 1 in x 14 in (Fits Neck Sizes 12-16](https://m.media-amazon.com/images/I/41S8Y2-bQCL._AC_UF1000,1000_QL80_.jpg)