Optimise your coffee with the BWT Bestmax Premium Water Filter - a cartridge that purifies, softens and enhances your water for better taste and espresso performance. Designed for use with the BWT head and valve system, it removes common contaminants and reinfuses magnesium for improved flavour balance. The multi-stage filtration clears out rust, sand and chlorine while softening the water by reducing calcium. What makes it unique is its magnesium enrichment, which not only balances pH but also brings out the best in your brew. Cleaner, smoother water equals richer crema and better-tasting coffee. BWT Bestmax Premium Water Filter Features Complete filtration system - The multiple stages of the BWT Bestmax Premium Water Filter System clean and softens hard water. Better tasting water - By getting rid of particulates and hardening minerals, this filtration system gives you pure, great-tasting water. Magnesium-rich - BWT Bestmax Premium Water Filter reintroduces magnesium into the water to balance its mineral content and achieve an ideal PH level that’s perfect for brewing coffee. Available in multiple sizes - You can choose the best size for your needs. Size up as the water hardness level and water volume used daily increase. This Product Includes: 1 x BWT Bestmax Premium Water Filter Specifications Model S V M XL 2XL Materials Polypropylene Food Grade Temperature range 4 – 40 deg C (not for use in hot water) Pressure 100 – 800 kPa Capacity (120 ppm ) 900 L 2700 L 4200 L 6200 L 12000 L Weight 900g 2.3kg 2.8kg 4kg 7.8kg Dimensions (H) 310mm x (W) 88mm (H) 370mm x (W) 115mm (H) 425mm x (W) 125mm (H) 450mm x (W) 143mm (H) 520mm x (W) 185mm Inlet / Outlet 3/8″ bspm 3/8″ bspm 3/8″ bspm 3/8″ bspm 3/8″ bspm