FiltersDex

What replacement filters fit a Pentair GRO-2575?

The Pentair GRO-2575 reverse osmosis system uses 1 filter stage.

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Key takeaways

  • Reverse Osmosis system by Pentair.
  • 1 filter stage: GRO-75EN.
  • A component cartridge is NSF-listed, though the system itself isn't separately listed.
  • A cheaper compatible filter set can fit the same housings - confirm its own certification before buying.
Reverse Osmosis SystemGRO-2575Pentair

Buy the replacement filters for your GRO-2575

Genuine Pentair filter setThe exact replacement cartridges for the Pentair GRO-2575.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

Stage 1
GRO-75EN

NSF-certified components in the GRO-2575 filter set

The GRO-2575 system itself isn't separately listed in the NSF database, but at least one of its cartridges is independently NSF-listed to reduce the following, grouped by the standard it was tested to:

NSF/ANSI 58 - Arsenic (Pentavalent)

Arsenic (Pentavalent), Barium, Cadmium, Chromium (Hexavalent), Chromium (Trivalent), Copper, Cyst, Fluoride, Lead, 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 modelAir purifier filtersLevoit, Coway, Honeywell, WinixVacuum filtersShark & Dyson, HEPA + foamHumidifier filterswicks + furnace padsWater pitcher filtersBrita, PUR, ZeroWater - NSF

Frequently asked

What replacement filters fit a Pentair GRO-2575?

The Pentair GRO-2575 uses 1 filter stage: GRO-75EN.

Is the Pentair GRO-2575 NSF certified?

The Pentair GRO-2575 system itself isn't separately listed in the NSF DWTU database, but at least one of its filter cartridges is independently NSF-listed.

Does the Pentair GRO-2575 remove lead?

We don't have an independent NSF listing for the Pentair GRO-2575, so we can't confirm a lead-reduction claim either way. Check the manufacturer's own certification documents.

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

The genuine Pentair 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.