Protect your factory warranty and machine from harmful hard water minerals that cause calcium build up, & damage to your boiler, heating elements, water passages, and moving parts. This all in 1 filter is the answer for most hard water conditions.

Help the taste of your coffee with a BMT Bestmax premium 5 stage filter with magnesium for improved coffee taste or the standard 4 stage protection filter. When selecting the premium line with magnesium, we recommend a water meter so you know when it's time to change your filter as magnesium will show as a solid on a test strip.

Dial in the setting 1, 2 or 3 on the BWT filter head to match your water hardness and brew system needs. to get the proper protection & longest life based on degree of water hardness. Just twist the all in one cartridge out of the self-closing valve in head and spin the new replacement one in when needed, no water to shut off or turn on before changing,

The BWT 0.5-micron cartridge can lie sideways, set on its base or hang from the wall bracket included,

Recommended sizes based on water hardness and usage.

See our compete BWT accessories discount packages.