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Water Filter for the KitchenAid KBFS22EWMS (EDR4RXD1)
✓ 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:
✓
KBFS22EWMS specifics — where the filter actually lives
On the KBFS22EWMS, the cartridge in the upper zone of the fresh-food compartment in most bottom-freezer layouts, a deliberate placement that keeps the swap away from the door seals and drawer rails. It is a twist-lock bay: release is counterclockwise, seating is clockwise, and the stops are firm enough that you cannot overshoot.
Owners of the KBFS22EWMS report the same friction points: a stubborn first twist when the old o-ring has set, and a change-filter light that will not clear itself until you hold the reset. Prefix literacy pays here: generally a bottom-freezer machine, and the filter bay inherits the geometry that implies — treat as typical, not absolute. Trim code MS: cosmetic variants of one chassis, one cartridge family.
KBF vs KFI — what the prefix tells you
Same parts shelf, two cabinet missions — bottom-freezer on the KBF side, French-door on the KFI side — the parts catalog runs the same cartridge across both. Working from the model code, the KBFS22EWMS lands somewhere around 2009-2013; treat the window as approximate.
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.
KBFS22EWMS filter questions
Clearing the filter status light on a KitchenAid KBFS22EWMS?
Seat the new cartridge first, then hold the filter-reset control for a few seconds until the status light clears — the exact button placement varies by control panel, so check the KBFS22EWMS owner’s manual page for filter status.
Does the KitchenAid KBFS22EWMS need a bypass plug when the filter is out?
No cap needed — the EDR4RXD1 bay passes water unfiltered while empty; it does not leak, it just skips filtration.
Are off-brand filters safe for a KitchenAid 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 EDR4RXD1 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 KBFS22EWMS?
Every six months or at the rated gallon capacity, whichever comes first — the EDR4RXD1 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 EDR4RXD1 | RECOMMENDEDUKF8001 Replacement Water Filter · 1-Pack – ClearFit | EDR4RXD1 EveryDrop Filter 4 Replacement · 1-Pack – ClearFit | UKF8001 Replacement Water Filter · 3-Pack – ClearFit |
|---|---|---|---|---|
| Price | OEM list | $17.99 | $17.99 | $44.97 |
| 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
Related guides
POPULAR GUIDE
How to change a Whirlpool refrigerator water filter
Every Filter 1–6 bay location — including the door-mounted bays on WRX models, with door-open angles and cap-release quirks. — read the guide →
POPULAR GUIDE
How to reset your Whirlpool filter light
Filter 1–6 indicator maps showing which key actually clears the light on your panel. — read the guide →
WATER PROBLEM GUIDE
Does your fridge filter remove fluoride?
What EDR1RXD1-class carbon blocks actually take out — and the systems that do remove fluoride. — read the guide →