Amazon.com : Sparky Pet Co - Purple, Roller Buckle 3/4" Replacement Collar - Compatible with Garmin, Delta, Dogtra, SportDOG, E Collar, Tri Tronics, Educator Style Compatible Systems, E Collar Systems : Pet Supplies
Garmin Tri-Tronics PT5 Collar for the PRO 70 System - Used
Garmin PRO 550 3-dog Combo
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Tri-Tronics Model 300 Series Remote Dog Training Shock Collar Kit Untested | eBay