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Water Filter for the Frigidaire FFHS2312NS2 (WF3CB)
✓ 100% compatible — no bypass plug needed
🔧 5-min push-in swap
🇺🇸 Ships from Indiana
Every cartridge that fits this model — pulled live from the catalogue:
✓
FFHS2312NS2 specifics — where the filter actually lives
Finding the bay is the easy part — this chassis puts it at the base of the fresh-food compartment in most side-by-side builds — grille or lower rear, the same estate every side-by-side refrigerator in this family uses. Mechanically it is a quarter-turn twist-in seat: no tools, no housing removal, and the cartridge indexes in only one orientation despite looking symmetric.
Order-day practicalities: the reset control is the step everyone skips; the light will not acknowledge a new cartridge on its own. Decode the plate and the parts question answers itself: count on FFHS to place this unit among side-by-side builds; that placement carries the water-path geometry with it. Trim code S2: cosmetic variants of one chassis, one cartridge family.
FFHS vs FFUS — what the prefix tells you
Same parts shelf, two cabinet missions — split by cabinet mission (side-by-side versus French-door), joined by cartridge line — that is the FFHS/FFUS story. The digits in the model number read as cabinet capacity (23 cu ft), a decent proxy for how hard the filter works in daily service.
Swap it in 5 minutes
- Twist the old cartridge a quarter turn counterclockwise and pull it straight down — keep a towel in reach for the dribble.
- Fill the new cartridge with cold tap water so the chamber is not fighting an air pocket.
- Offer the new cartridge to the bay, push up, and twist a quarter turn clockwise until the stop catches.
- Run two gallons through the dispenser to flush carbon fines, then hold the filter-reset control until the status light clears.
What this filter takes out of your water
| What it targets | Standard that covers it |
|---|---|
| Chlorine taste & odor | NSF/ANSI 42 — aesthetic effects |
| Particulates, Class I | NSF/ANSI 42 — fine sediment |
| Lead | NSF/ANSI 53 — health effects |
| Cysts (cryptosporidium, giardia) | NSF/ANSI 53 — microbial |
| PFOA & PFOS | NSF/ANSI 53 (P473) — varies by cartridge |
Coverage above lists what the standard addresses, not a performance claim for any specific cartridge — removal claims vary by certificate, so check the NSF listing for the exact part number you are buying.
FFHS2312NS2 filter questions
FFHS2312NS2 filter light will not turn off — what is the reset step?
Hold the filter-reset control a few seconds after seating the new cartridge; placements vary by control panel, and the FFHS2312NS2 manual’s filter-status page has the exact spot.
Does the Frigidaire FFHS2312NS2 need a bypass plug when the filter is out?
Nothing to buy — the WF3CB housing closes without a cartridge; water runs unfiltered until the next one goes in.
Are off-brand filters safe for a Frigidaire refrigerator?
Certified aftermarket cartridges are built to the same NSF test standards as the OEM part, and federal warranty law (Magnuson-Moss) protects your coverage when you use them.
Why is the OEM WF3CB cartridge so much more expensive?
Part of the OEM price is the badge and the distribution chain. Certified alternatives meet the same test standards at a lower unit price, especially in multi-packs.
How often should I replace the filter in my FFHS2312NS2?
Every six months or at the rated gallon capacity, whichever comes first — the WF3CB class cartridges all share that service interval.
Do I need to turn off the water supply to change it?
No — the bay is designed for a live swap. Expect a small dribble, keep a towel in reach, and flush a couple of gallons through the new cartridge before the first glass.
Every filter that fits your fridge
| Cartridge | OEM WF3CB | RECOMMENDEDWF3CB Replacement Water Filter · 1-Pack – ClearFit | WF3CB Replacement Water Filter · 3-Pack – ClearFit | WF3CB Replacement Water Filter · 6-Pack – ClearFit |
|---|---|---|---|---|
| Price | OEM list | $10.49 | $26.22 | $47.16 |
| Verified fit | ✓ the bay cartridge | View & buy → | View & buy → | View & buy → |
This filter expires six months from today
Your HVAC filter is probably on a different cycle. Track them all in one place.
months until this filter should be replaced (200-gal rated life)
Free tool · tracks fridge + HVAC + whole-house · auto-refill optional
More models using this filter
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