Fi Bands are interchangeable, but limited to their series. Our bands are designed so you can easily swap the band for a new color or style.
Below, you'll find videos with steps to replace the bands for each Fi Collar Series Band, Martingale Fi Collar Bands and Maker Bands.
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Steps to Swap or Change a Fi Collar Band Fi Series 3
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Steps to Swap or Change a Fi Collar Band Fi Series 2
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Steps to Swap or Change a Martingale Fi Collar Band
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Steps to Swap or Change to a Fi Maker Band
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Collar Strength
Series 3
Fi Series 3 sports a full stainless steel body frame, that can sustain 400 lbs of static force.
Series 2
Constructed from fiber-reinforced nylon, Fi Series 2 is reinforced with an internal end-to-end metal frame and tested for 300 lbs static pull force limit.
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*For dogs with specific behavioral issues, or pullers, we recommend using a harness in addition to the Fi Collar for tracking. Depending on the impact speed of a shock load (like a squirrel sighting), the energy delivered to the hinge can exceed a 300 lbs static pull.
For maximum security, ensure the end links on your dog's Fi Collar always remain as flat as possible. This means ensuring appropriate size and fit of your dog's Fi Collar so there is not enough slack to allow excessive rotation or movement of the module itself. See Sizing and Fit for further instructions to ensure appropriate size and fit.