Water Filter for the Frigidaire FGHS2644KM1 (ULTRAWF)

Your Frigidaire refrigerator takes the ULTRAWF slot. Below is every filter that fits — OEM and certified alternatives — with real prices.

✓ 100% compatible — no bypass plug needed

🔧 5-min push-in swap

🇺🇸 Ships from Indiana

FGHS2644KM1 · Quick Facts

TYPE

refrigerator

YEARS MADE

—

FILTER LOCATION

inside the fresh-food cavity, upper zone in most French-door builds

FILTER SLOT

PureSource Ultra bay

REPLACE EVERY

Every 6 months

ALSO BRANDED AS

—

FGHS2644KM1 · Quick Facts

Filter locationinside the fresh-food cavity, upper zone in most French-door builds

Filter slotPureSource Ultra bay

Replace everyEvery 6 months

Typical installTwist or push — 5 minutes, no tools

Every cartridge that fits this model — pulled live from the catalogue:

✓

Verified fit for FGHS2644KM1. Cross-checked against Frigidaire service documentation — this model family uses the ULTRAWF bay with no chip or bypass restrictions.

Not your model? Check the finder →

FGHS2644KM1 specifics — where the filter actually lives

The FGHS2644KM1 carries its water filter inside the fresh-food cavity, upper zone in most French-door builds, so expect to clear one shelf edge before you have working room. It is a twist-lock bay: the ears on the cartridge neck are the guide — line them up, lift into the seat, and quarter-turn home.

Field notes: expect the first swap to take longer than the box suggests — aged o-rings grip — so budget ten minutes, not five. The FGHS in FGHS2644KM1 is doing real work: FGHS on this badge family usually means French-door stock, which is why fit charts list cartridges by chassis code first. Trailing letters like M1 denote trim and finish: stainless, panel-ready, handle variants. The water path is identical across them.

FGHS vs FFHS — what the prefix tells you

FGHS versus FFHS is the first fork in the parts catalog: French-door versus side-by-side. Both generations draw from the same cartridge pool, so the prefix is a fit-check, not a barrier. Cabinet decode: 26 cubic feet — the number that tells you whether this cartridge feeds a family-size dispenser or a compact one.

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.

FGHS2644KM1 filter questions

Clearing the filter status light on a Frigidaire FGHS2644KM1?

Lock in the new cartridge first, then hold the reset control for a few seconds — the FGHS2644KM1 manual documents the button for each panel variant.

Can I run the Frigidaire FGHS2644KM1 with no cartridge installed?

No cap needed — the ULTRAWF bay passes water unfiltered while empty; it does not leak, it just skips filtration.

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 ULTRAWF 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 FGHS2644KM1?

Every six months or at the rated gallon capacity, whichever comes first — the ULTRAWF 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

OEM ULTRAWF cartridge

This bay takes the OEM ULTRAWF. 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 →