Optional upgrade filter available for the Alphion, Delphi, Melody,  Venus models.

Also called a hollow membrane filter this filter is the same size filter that is used in kidney dialysis.

It is the finest (smallest micron) domestic filter available and will remove virtually everything except for the essential alkalizing minerals.

This filter is recommended where clients want the absolute best quality water.  Ideal for chronically ill or people suffering hyper-allergy issues.