Frigidaire Refrigerator Water Filters
Frigidaire filter confusion usually comes down to one question: PureSource cartridge or ULTRAWF top-load bay? The push-in PureSource 2 (WF2CB) covers 3,933 models in our fit library; the quarter-twist ULTRAWF above it in the cabinet covers another 836. The table below separates them at a glance.
Frigidaire has been part of Electrolux since 1986, and Electrolux-badged machines (692 models in the library) use the identical WF2CB bay — same cartridge, different badge. The older WFCB and WF3CB lines still run in side-by-side and Gallery machines, and the EPTWFU01 sits in Professional-series housing. One habit worth keeping: Frigidaire bays ship with a bypass plug, and it’s the thing to reach for when you want water while a delivery is in transit — losing it means no dispensing at all.
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The Frigidaire filter system at a glance
| Bay / system | Part numbers | Models in fit library | |
|---|---|---|---|
| PureSource 2 push-in, the workhorse | WF2CB · FC-300 | 3,933 | |
| PureSource older single-stage line | WFCB · FC-100 | 1,947 | |
| ULTRAWF top-load quarter-twist bay | ULTRAWF | 836 | |
| PureSource 3 | WF3CB · FC-300-3 | 587 | |
| Professional | EPTWFU01 · FPPWFU01 | 96 |
Counts from the verified fit library. PureSource 2 and ULTRAWF are different bays — location is the tell: PureSource sits in the grille or upper cabinet, ULTRAWF loads through the top of the cabinet.
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Frigidaire filter guides
Reset the Frigidaire filter light
Where the reset lives on Gallery vs Professional panels — and the ones with no reset at all.
how to change · 390/moChange a PureSource 2 in minutes
The push-in release, the priming steps, and the drip you avoid with one paper towel.
bypass plug · 320/moWhen (and how) to use the bypass plug
Keep dispensing while your cartridge ships — the plug's one job and where it stows.