STAGE 4 - 1x Omnipure Activated Inline Carbon Post Filter
For questions on filters or reverse osmosis membranes for your specific system, please email us directly and we'd be happy to assist.
* Frequency of Filter replacement depends on the quality of your water and consumption habits. It is recommended to test your water every 6-12 months to ensure your RO system purifies your water adequately to keep contaminants below 50 ppm (parts per million - milligrams over liters). Please use theTDS meterthat came in your box to check TDS levels.