Replacement filters for our popular Water Ioniser PJ 703

Select from pre-filters (three stages),  including post-filter( 5 stages in total) or water ioniser filter only or entire set excluding  100 gpd nano filtration filter which should last 3-5 years.

To order 100 gpd nanofiltration membrane use this link:

Replacement Filters Water Ioniser PJ 703



Description :  Replacement Filters PJ 703

 Listed below are the different filters installed in the   Quick change pre-filter system and the water ioniser itself. The pre-filters should be replaced in 6 month intervals, the  Nano membrane every 3 years, and the post-filter annually.

The water ioniser filter should be replaced every 1-2 years.

We are one of the few manufacturers who still insist on using only FDA/NSF certified filters manufactured in the United States.




Change pre-filters

value pack -set of quick change filters
value pack -set of quick change filters

RS300ST 5 Micron Sediment Filter – 1 PIECE
RS300ND Granular Activated Carbon – 1 PIECE
RS300RD Granular Acitvated Carbon – 1 PIECE

WATER IONISER JA-703 ERS-105 change-filter-1

In -line post carbon filter ( replace every 1-2 years)


Mineral filter (replace every 12 months)

Water Ioniser Replacement Filter( replace every 1 to two years)

replacement filter water ioniser PJ 703

Additional information

Weight 5 kg
Dimensions 30 x 15 x 30
Select filters

3 Pre-filters only, Water Ioniser filter only, 3 Pre-filters and Two post-inline filters, Entire set of filters excl. Membrane