3 x MBR-828 REFILL PACKS - FOR DITUBE2.0 CARTRIDGE

2 x Refillable Resin Packs for DI-TUBE 2.0 - is the indicating resin that turns from Blue to Brown/Yellow when exhausted.

Once the resin is exhausted, it will change colour from a Blue/Green (when new) to a Brown/Yellow, which indicates a cartridge change is required. This is a gradual change and will occur over time. In NZ CITY WATER, you can obtain approximately 100 Litres of pure deionised Water from One Cartridge. Cartridge Life differs depending on the Conductivity/TDS of the incoming water supply.