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Calcite pH Balancing Filter

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RO Calcite pH Balancing Inline Filter, 10 IN, 1/4 IN FNPT connections, compatible with all RO systems using 1/4 IN or 3/8 IN tubing


The Premier WP107008, 10 IN calcite pH balancing filter is designed for use on any RO system where copper tubing is present. When properly applied, the calcite self-limiting property corrects pH only enough to reach a non-corrosive equilibrium. Upon contact with a calcite media, acidic waters (i.e. reverse osmosis) slowly dissolves the calcium carbonate to raise the pH, which reduces potential leaching of copper, lead, and other metals found in typical plumbing systems. By raising the pH levels of the water, it also functions as a pH balancing filter on any of Premier's reverse osmosis systems. Filter is designed to be changed out every one year. (Filter connectors are sold separately).

Note - This Calcite Inline Filter does not come with any connectors.



  • Calcite media corrects the pH of acidic water to reach a non-corrosive equilibrium
  • 10 IN calcite inline filter with 1/4 IN FNPT threads on the filter
  • Compatible with any RO Systems that uses 1/4 IN or 3/8 IN tubing
  • For system top performance it is recommended to change out the calcite inline filter once a year



10 IN Calcite Inline Filter with 1/4 IN FNPT Threads on the filter (No connectors are sold with this filter see below). This filter can be installed on any Reverse Osmosis system that uses 1/4 IN or 3/8 IN tubing. The recommended filter change is once a year*.  Note - Filter life may vary based on local water conditions or use patterns.


Connectors Required  with the Filter


Product Dimensions 
10 IN x 2 IN