BWT Bestclear Extra 2XL full desalination with 7-fold filtration achieves efficient full desalination. Can be used vertically and horizontally and one-time bypass setting on the filter head. Automatic water stop when replacing the filter with efficient limescale protection for cold and hot water up to 65°C. Perfect foam formation in champagne and beer glasses and no drying of stains and veils. Significant reduction of the total salt content.