1" Extreme Fi Collar Band (Series 1 & 2) Color:Wolf Gray making it a better option

making it a better option for growing dogs or dogs with a neck size smaller than 17

and personal protection dogs

The Extreme 2 Inch Dog Collar with Handle is our most sought-after product

Whether on an adventure or at home

Ideal for active dogs or those who need extra strength without the bulk

1" Extreme Fi Collar Band (Series 1 & 2) Color:Wolf Gray making it a better option1" Extreme Fi Collar Band (Series 1 & 2) Pair your Fi Collar Series 1 or Fi Collar Series 2 Fi GPS Tracker with the Tactipup 1" Extreme Dog Collar for the ultimate duo! This FI Series Collar is a replacement band for your Fi GPS Tracker (unit not included) that brings you the insane durability and quality of a Tactipup collar in conjunction with the smart features of your Fi unit. This FI tracking collar is NOT compatible with the Fi series 3 collar.