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Water Filter for the Electrolux EI28BS51IS1 (WF2CB)
✓ 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:
✓
EI28BS51IS1 specifics — where the filter actually lives
Where the filter actually lives: upper rear of the fresh-food section in most French-door builds with interior dispensers — usually a kneeling-height or shoulder-height swap, not a teardown. Mechanically the EI28BS51IS1 uses a twist-in cartridge: the cartridge drops into the keyed seat and locks with a short quarter turn.
Order-day practicalities: the line is still live when you open the bay, so keep a towel in reach, and expect the filter-status light to need a reset before it believes the new cartridge. The EI in EI28BS51IS1 is doing real work: EI on this badge family usually means French-door stock, which is why fit charts list cartridges by chassis code first. Trim code S1: cosmetic variants of one chassis, one cartridge family.
EI vs EW — what the prefix tells you
The catalog pairs EI with EW, and the split matters at order time: French-door on the EI side, Wave-Touch Electrolux French-door on the EW side — the parts catalog runs the same cartridge across both. the 28 cu ft in the code is the size class; households that size move enough water that the six-month interval is worth honoring.
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.
EI28BS51IS1 filter questions
EI28BS51IS1 filter light will not turn off — what is the reset step?
Lock in the new cartridge first, then hold the reset control for a few seconds — the EI28BS51IS1 manual documents the button for each panel variant.
EI28BS51IS1 with no water filter installed — safe, or does it need a bypass?
No — the WF2CB bay seals on the cartridge itself, so removing it just means unfiltered water until the next change, not a leak.
Are off-brand filters safe for an Electrolux 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 WF2CB 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 EI28BS51IS1?
Every six months or at the rated gallon capacity, whichever comes first — the WF2CB 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
This bay takes the OEM WF2CB. ClearFit verified-fit alternatives for this exact slot are being staged — every compatible option for your fridge is one lookup away.
Check every filter that fits →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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