What replacement filters fit a GE GXRQ18NBN?

The GE GXRQ18NBN reverse osmosis system uses 2 filter stages.

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Key takeaways

Reverse Osmosis system by GE.
2 filter stages: FQ18MN, FQ18PN.
NSF certified to reduce arsenic (pentavalent), asbestos, barium, cadmium, and more.
A cheaper compatible filter set can fit the same housings - confirm its own certification before buying.

Reverse Osmosis SystemGXRQ18NBNGE

Removes Lead Removes Chlorine, taste & odor Removes Cysts (Cryptosporidium, Giardia)

Buy the replacement filters for your GXRQ18NBN

Genuine GE filter setThe exact replacement cartridges for the GE GXRQ18NBN.Shop the filter set Cheaper filters that fitCompatible cartridges fit the same housings for less - confirm any NSF certification claim independently before you buy.Shop compatible filters

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Filter stages

Membrane: FQ18MN
Pre & Post Filter Set: FQ18PN

What the GXRQ18NBN removes

The GXRQ18NBN is NSF/ANSI certified to reduce the following, grouped by the standard it was tested to:

NSF/ANSI 42 - Chlorine

Chlorine, Taste and Odor

NSF/ANSI 58 - Arsenic (Pentavalent)

Arsenic (Pentavalent), Asbestos, Barium, Cadmium, Chromium (Hexavalent), Chromium (Trivalent), Copper, Cyst, Fluoride, Lead, Nitrate/Nitrite, Radium 226/228, Selenium, TDS, Turbidity

Filters for the rest of your home

FiltersDex covers the exact replacement filter - and what it removes - across every appliance:

Refrigerator filterswater + air, by fridge model Air purifier filtersLevoit, Coway, Honeywell, Winix Vacuum filtersShark & Dyson, HEPA + foam Humidifier filterswicks + furnace pads Water pitcher filtersBrita, PUR, ZeroWater - NSF

Frequently asked

What replacement filters fit a GE GXRQ18NBN?

The GE GXRQ18NBN uses 2 filter stages: FQ18MN, FQ18PN.

Is the GE GXRQ18NBN NSF certified?

Yes - the GE GXRQ18NBN itself is listed in the NSF Drinking Water Treatment Units (DWTU) database, certified to reduce arsenic (pentavalent), asbestos, barium, cadmium, and more.

Does the GE GXRQ18NBN remove lead?

Yes - the GE GXRQ18NBN is NSF certified to reduce lead.

Should I buy the genuine filter set or an aftermarket one?

The genuine GE cartridges are the safe, exact-fit choice. A cheaper compatible set can fit the same housings too - just confirm it carries its own independent certification for the contaminants you care about before buying.