GRO Filter Replacement Set | 3 Filters for 4-Stage RO System
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- Sediment and Carbon Block Prefilters
- Carbon Block Postfilter
- To fit 4-Stage GRO System, Membrane not Included
Check the Photo to confirm if your system matches - any questions please message me prior to ordering.
This is ideal for 4 stage RO units using the GRO-75EN or GRO-50EN Pentair Membrane.
This kit includes 3 filters which are normally changed once per year. The kit does NOT include a replacement membrane, which is normally changed once per 3 years.
- One 5 micron sediment prefilter, 2.5" x 10", NSF certified materials
- One Carbon Block prefilter, 2.75" x 10", NSF Certified
- One Carbon Block postfilter, 2.75" x 10", NSF Certified