Which Filter Fits My Refrigerator

Which Filter Fits My Refrigerator -- a free WaterByTheBook tool cross-referencing 39 refrigerator filter families to the OEM and certified-aftermarket filters that fit them, with the verified certification for each option.

Free, no signup. Which Filter Fits My Refrigerator.

Which water filter fits your fridge?

Enter your fridge model or your current filter's part number and we will show the OEM filter that fits, its NSF certification, and the certified aftermarket options -- with the honest caveats. We read 58 filter families and the NSF listings so you do not have to.

18 possible matches -- confirm the one that matches the model printed on your filter:

GE XWF / XWFE

OEM certification: NSF 42 NSF 53

Verified: checked against the NSF/WQA listings (info.nsf.org), as of 2026-06-24. Certification is SKU-specific -- confirm your exact model on the listing.

Also sold as: XWF, XWFE

Certified aftermarket options (verify the exact SKU):

  • Limited -- RFID models often reject aftermarket; verify the fridge accepts a non-OEM XWFE before buying. NSF 42 (verify the SKU)

Heads up: Current GE French-door/bottom-freezer. IMPORTANT: XWFE has an RFID chip; a GE firmware update made some fridges REJECT non-chipped XWF/aftermarket -- check whether yours needs XWFE specifically.

Confirm the model printed on your CURRENT filter or in the fridge's manual before buying -- one fridge line can use different filters across model years.

GE MWF / MWFP

OEM certification: NSF 42 NSF 53

Verified: checked against the NSF/WQA listings (info.nsf.org), as of 2026-06-24. Certification is SKU-specific -- confirm your exact model on the listing.

Also sold as: MWF, MWFP, MWFA

Certified aftermarket options (verify the exact SKU):

  • Waterdrop NSF 53 (lead) on select SKUs
  • AQUACREST NSF 53 (lead) on select SKUs
  • GLACIER FRESH NSF 42 only (taste/odor)

Heads up: Older GE side-by-side / bottom-freezer (pre-XWF, no RFID).

Confirm the model printed on your CURRENT filter or in the fridge's manual before buying -- one fridge line can use different filters across model years.

Samsung DA29-10105J (HAFEX/EXP) external inline filter

OEM certification: NSF 42

Verified: checked against the NSF/WQA listings (info.nsf.org), as of 2026-06-24. Certification is SKU-specific -- confirm your exact model on the listing.

Also sold as: DA29-10105J, HAFEX/EXP, HAFEX/EXP 3-pack, WF-110

Certified aftermarket options (verify the exact SKU):

  • AQUACREST NSF 53 (lead) on select SKUs
  • Instapure REF-IPI-2 Unverified

Heads up: This is NOT an interior cartridge -- it is an EXTERNAL inline filter that splices onto the 1/4" cold-water supply line behind/under the fridge via push-fit (John Guest) connectors. Used by older Samsung side-by-side models that have no internal filter housing, and as a universal inline option for many other brands. ...

Confirm the model printed on your CURRENT filter or in the fridge's manual before buying -- one fridge line can use different filters across model years.

Microfilter DA2010CB (universal inline element)

OEM certification: NSF 42

Verified: checked against the NSF/WQA listings (info.nsf.org), as of 2026-06-24. Certification is SKU-specific -- confirm your exact model on the listing.

Also sold as: DA2010CB, DA2010CB-WF

Certified aftermarket options (verify the exact SKU):

  • Instapure REF-IPI-2 Unverified

Heads up: OEM inline element made by Microfilter (an OEM supplier to LG and Samsung). Built to the same spec as Samsung DA29-10105J (HAFEX/EXP) and LG 5231JA2010B. Installs on the 1/4" cold-water line with push-fit connectors. This is the cross-reference element behind the Samsung/LG external inline filters and the NSF code (...

Confirm the model printed on your CURRENT filter or in the fridge's manual before buying -- one fridge line can use different filters across model years.

GE RPWFE

OEM certification: NSF 42 NSF 53 NSF 401

Verified: checked against the NSF/WQA listings (info.nsf.org), as of 2026-06-24. Certification is SKU-specific -- confirm your exact model on the listing.

Also sold as: RPWFE, RPWFE3PK, WR17X30702 (later chip variant cross-ref)

Certified aftermarket options (verify the exact SKU):

  • Waterdrop NSF 53 (lead) on select SKUs
  • Maxblue Unverified
  • GlacierFresh GFRPWFE NSF 42 only (taste/odor)

Heads up: RFID-chip cartridge for GE Profile/Cafe French-door (PFE/PYE/GFE/GFD/GYE/GNE29) and Cafe CVE bottom-freezer lines, ~2016+. The fridge's RFID reader expects the chip: a non-chip or non-genuine filter makes the dispenser refuse to run and the display read 'Leak Detected.' CRITICAL: RPWFE is NOT interchangeable with th...

Confirm the model printed on your CURRENT filter or in the fridge's manual before buying -- one fridge line can use different filters across model years.

GE RPWF (non-chip)

OEM certification: NSF 42 NSF 53

Verified: checked against the NSF/WQA listings (info.nsf.org), as of 2026-06-24. Certification is SKU-specific -- confirm your exact model on the listing.

Also sold as: RPWF, WSG-4 (cross-ref), WD-RPWF (cross-ref)

Certified aftermarket options (verify the exact SKU):

  • Tier1 RPWF NSF 53 (lead) on select SKUs
  • Waterdrop RPWF NSF 53 (lead) on select SKUs

Heads up: Non-RFID predecessor to RPWFE for GE French-door fridges (roughly 2014-2016 vintage of the same body styles). Identical filtration media to RPWFE but no chip. Use RPWF ONLY in fridges that originally shipped with RPWF; a fridge that requires RPWFE will reject a plain RPWF (and aftermarket RPWF). Confirm exact model ...

Confirm the model printed on your CURRENT filter or in the fridge's manual before buying -- one fridge line can use different filters across model years.

GE MSWF

OEM certification: NSF 42 NSF 53 NSF 401

Verified: checked against the NSF/WQA listings (info.nsf.org), as of 2026-06-24. Certification is SKU-specific -- confirm your exact model on the listing.

Also sold as: MSWF, MSWF3PK, MSWFDS, 101820A, 101821B, 101821-B, 238C2334P003, AP3997949, PS1559689

Certified aftermarket options (verify the exact SKU):

  • Waterdrop NSF 53 (lead) on select SKUs
  • Tier1 NSF 53 (lead) on select SKUs

Heads up: Twist-and-lock cartridge for GE side-by-side and GE Profile side-by-side refrigerators from the 2007 model year onward. Mounts in the upper-rear interior of the fresh-food compartment. Replace every 6 months / 300 gallons.

Confirm the model printed on your CURRENT filter or in the fridge's manual before buying -- one fridge line can use different filters across model years.

GE GSWF

OEM certification: NSF 42 NSF 53

Verified: checked against the NSF/WQA listings (info.nsf.org), as of 2026-06-24. Certification is SKU-specific -- confirm your exact model on the listing.

Also sold as: GSWF, GSWFDS, 238C2334P001, AP3418061, EFF-6023A

Certified aftermarket options (verify the exact SKU):

  • Waterdrop Plus GSWF NSF 53 (lead) on select SKUs
  • ICEPURE PRO Lead (53) via IAPMO, not NSF-listed
  • Instapure REF-IPG-2 Unverified
  • Tier1 NSF 53 (lead) on select SKUs

Heads up: Twist-style cartridge for select GE side-by-side refrigerators (GTS/GTH/GSS/GSL/PDS/PTS series). Longer rated life than most GE cartridges at 750 gallons / 6 months. Kenmore cross-reference 46-9914 / 9914.

Confirm the model printed on your CURRENT filter or in the fridge's manual before buying -- one fridge line can use different filters across model years.