If you mean fluorocarbon backing for a reel, the strongest match in this set is Cortland Line Company C12 Super Braid White, since it’s a hollow-core braided line designed for offshore use and specifically described as premium hollow core backing for wind-on leaders or top shots.
If you mean fluorocarbon for leader material rather than backing, サンライン Sunline Saltimate System Shock Fluorocarbon Leader is the cleanest fluorocarbon leader option here.
The two Tooth Shield Tackle Walleye Stinger Hooks and Tooth Shield Tackle Walleye Stinger Hooks 15 lb Fluorocarbon 10-Pack Red are fluorocarbon-based rigs, but they’re more of a ready-made stinger hook setup than backing material.
Switch away from fluorocarbon backing if you’re just looking for a standard reel fill and don’t need hollow-core splicing. In that case, a regular braid like K9 Fishing 8-Strand SuperBraid or K9 Fishing 9-Strand SuperBraid is usually the simpler choice.