Fernox Protector+ Filter Fluid F9 Additive underfloor heating Heatmiser Boost

Heatmiser Boost

backed by a lifetime manufacturer's warranty

lay a 3mm breathable underlay first

and embedded biofilm

Fernox Protector+ Filter Fluid F9 Additive underfloor heating Heatmiser BoostFernox Protector+ Filter Fluid F9 Protector+ Filter Fluid F9 is formulated for use alongside Fernox TF1 filters and other in line system filters. Its inhibitor package includes an active dispersant that lifts corrosion debris, sludge, and scale and carries it directly to the filter for safe capture. While improving filter performance, it also provides full protection against scale buildup and corrosion, helping systems run more efficiently for longer.