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Water Filter for the GE PSS27SHMBBS (MWF)
✓ 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:
✓
PSS27SHMBBS specifics — where the filter actually lives
The PSS27SHMBBS carries its water filter behind the lower fresh-food trim or base grille in most side-by-side layouts, a deliberate placement that keeps the swap away from the door seals and drawer rails. This is a twist-style bay, the friendlier design: align the ears, seat it, and rotate until the stop catches — a five-minute job start to finish.
Owners of the PSS27SHMBBS 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. PSS is not a trim code, it is a chassis statement: PSS marks the Profile side-by-side line in GE’s catalog, so cross-referencing cartridges by chassis rather than by door style keeps you out of the wrong-parts queue. BS is finish coding: handles, colors, panel options — none of it reaches the filter bay.
PSS vs GSS — what the prefix tells you
Prefix families here: PSS against GSS. Profile side-by-side builds carry PSS; side-by-side builds carry GSS. Filter-wise the two lines converge on one cartridge family. The digits in the model number read as cabinet capacity (27 cubic feet), 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.
PSS27SHMBBS filter questions
Reset procedure for the change-filter alert on the PSS27SHMBBS?
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 PSS27SHMBBS owner’s manual page for filter status.
Is a bypass plug required for the PSS27SHMBBS when the cartridge is removed?
Nothing to buy — the MWF housing closes without a cartridge; water runs unfiltered until the next one goes in.
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 PSS27SHMBBS?
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
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 →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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