Perform 4-fold purification and 1-fold addition; remove impurities, chlorine odor, metal/scale and residual particles, etc.; add magnesium ions

• Special offer set with 6 extra descaling filters
• The filtration area of the ion exchange resin is increased, the ability to absorb calcium ions and heavy metals is stronger, and the water quality is softened.

- Compatible with PUR CRF-950Z PPF951K filter element
-Suitable for PUR water filters, including PPT711W PPT111W
- American NSF 42 and NSF 372 certified