1 Year Replacement Set for 6 Stage RO System - 50/75/100 GPD TFC Membrane

This RO replacement set�contains 1 year supply of the following filter cartridges: •�Stage 1�-�5 micron NSF polypropylene sediment pre-filter�to extract suspended materials such as sediment, silt, rust, and other particles down to 5 micron. (Replace every 6-8 months)�- 2 Pieces •�Stage 2�-�Granular