Series 3/3+ Fi Collar UPGRADE / ADD ON ONLY colorado Loop - 4" when clipped/

Loop - 4" when clipped/ 8" when opened

Two carabiner add on for summit leash only

cross-body

***IF UNSURE OF SIZING

Series 3/3+ Fi Collar UPGRADE / ADD ON ONLY colorado Loop - 4" when clipped/This is NOT a collar, you must add a collar to your cart and then add this to make your collar Fi Compatible. You must select in line or layered from the drop down. If you have a strong puller, we recommend the layer option. If you're purchasing more than one collar, please leave in the notes which collar gets the Fi Add On(s). Any 1. 5" Quick Release must be layered. For full performance functionality of the new Series 3+ Fi Devices, we recommend in