Water Filter for the GE PTC22SFMALBS (MWF)

Your GE refrigerator takes the MWF 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

PTC22SFMALBS · Quick Facts

TYPE

refrigerator

YEARS MADE

—

FILTER LOCATION

inside the fresh-food cavity, position varying with dispenser spec

FILTER SLOT

MWF bay

REPLACE EVERY

Every 6 months

ALSO BRANDED AS

—

PTC22SFMALBS · Quick Facts

Filter locationinside the fresh-food cavity, position varying with dispenser spec

Filter slotMWF 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 PTC22SFMALBS. Cross-checked against GE service documentation — this model family uses the MWF bay with no chip or bypass restrictions.

Not your model? Check the finder →

PTC22SFMALBS specifics — where the filter actually lives

The filter bay on the PTC22SFMALBS inside the fresh-food cavity, position varying with dispenser spec — usually a kneeling-height or shoulder-height swap, not a teardown. This is a twist-style bay, the friendlier design: seat the cartridge against the o-ring, quarter-turn clockwise, and let the keyed flange do the aligning for you.

Field notes: flush before the first glass — new carbon beds shed fines for the first gallon or so, which is cosmetic, not contamination. Under the cabinet differences one thing holds: the MWF line — which is why fit listings key on chassis rather than door style. Trailing letters like BS denote trim and finish: stainless, panel-ready, handle variants. The water path is identical across them.

Reading the PTC22SFMALBS model code — what the digits tell you

The two digits after the letters are the cabinet size: this is a 22 cubic feet refrigerator, which sets how much dispenser work the cartridge does between changes. Cross-checking by chassis pays off here: every trim of this model resolves to the MWF family, OEM and certified alternative alike.

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.

PTC22SFMALBS filter questions

Filter light reset on the GE PTC22SFMALBS — how?

Hold the filter-reset control a few seconds after seating the new cartridge; placements vary by control panel, and the PTC22SFMALBS manual’s filter-status page has the exact spot.

Does the GE PTC22SFMALBS need a bypass plug when the filter is out?

You can, but unfiltered — the MWF bay needs no bypass plug; it just passes water through without filtering while the cartridge is out.

Are off-brand filters safe for a GE 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 MWF 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 PTC22SFMALBS?

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

This bay takes the OEM MWF. 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 →