The FCS II Tab Infill Kit is the perfect solution for seamlessly fitting your original (dual tab) FCS fins into FCS II plugs.
Crafted from premium silicone rubber, these infills are designed to fill the gap between the front tab of your fins and the FCS II plug’s front slot, ensuring a secure and snug fit. Built to last, they're lightweight, durable, and resistant to extreme temperatures and corrosive conditions, all while protecting your plugs and fins from damage.