* 225, 5th stage Inline Alkaline filter with clear housing

* Replacement filter for the RO6-ALK 6-stage RO/ Alkaline water system.

* Add Calcium and Magnesium minerals back to the water after RO process, so the pH level can be raised from 7 to about 9.0 to 10.5

* Recommended to replace once a year

* Dimension: 2” x 10”