The Billi water filter cartridge 994051 will Remove/Reduce Dirt, Rust, Sediment Particles, Chemicals, Chlorine. 5 Micron Triple Action Filter with Scale Inhibitor to help stop the scale build-up and protect elements and boilers. The Billi water filter cartridge 994001 filters now replaces many of the older Billi swing change filters including the twin filter sets. This  Filter also replaces Q10-C OR 990412 5 MICRON FILTER

994051 – 5 Micron Replacement Filter. Filters Sediment, Chlorine, Taste & Odour. Suits all current Billi models **994051 replaces filter model 994001**