What replacement filter cartridge do I need?

UltraStream replacement filterUltraStream filter required for:
UltraStream water ionizer UltraStream natural ioniser

Biostone replacement filter

Biostone filter required for the following:

alphion water ioniser

Alphion electric ioniser

delphi water alkaliser

Delphi electric ioniser

melody water ioniser

Melody electric ioniser

Microlite water ioniser

Microlite electric ioniser

Venus water ioniser

Venus electric ioniser

AlkaStream replacement filterAlkaStream filter required for:
alkastream water ioniser AlkaStream natural ioniser

 

Kangen 7 replacement cartridgeKangen 7 filter required for:
kangen water ioniser Kangen 7 electric ioniser