Water Filter for the Frigidaire FPBS2777RF2 (EPTWFU01)

Your Frigidaire refrigerator takes the EPTWFU01 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

FPBS2777RF2 · Quick Facts

TYPE

refrigerator

YEARS MADE

—

FILTER LOCATION

in the fresh-food compartment, placement dependent on the dispenser package

FILTER SLOT

PureSource Ultra II bay

REPLACE EVERY

Every 6 months

ALSO BRANDED AS

—

FPBS2777RF2 · Quick Facts

Filter locationin the fresh-food compartment, placement dependent on the dispenser package

Filter slotPureSource Ultra II 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 FPBS2777RF2. Cross-checked against Frigidaire service documentation — this model family uses the EPTWFU01 bay with no chip or bypass restrictions.

Not your model? Check the finder →

FPBS2777RF2 specifics — where the filter actually lives

Where the filter actually lives: in the fresh-food compartment, placement dependent on the dispenser package, the same estate every refrigerator in this family uses. The seat is a twist-in design — seat the cartridge against the o-ring, quarter-turn clockwise, and let the keyed flange do the aligning for you.

Order-day practicalities: expect the first swap to take longer than the box suggests — aged o-rings grip — so budget ten minutes, not five. One more anchor for the parts search: the EPTWFU01 cartridge family is what every fit listing for this chassis resolves to, OEM and certified alternative alike. Trim code F2: cosmetic variants of one chassis, one cartridge family.

Reading the FPBS2777RF2 model code — what the digits tell you

The 27 cubic feet in the code is the size class; households that size move enough water that the six-month interval is worth honoring. Filter logic on this chassis: whatever the door count, the cartridge answer for this chassis is the EPTWFU01 family.

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.

FPBS2777RF2 filter questions

Filter light reset on the Frigidaire FPBS2777RF2 — how?

Hold the filter-reset control a few seconds after seating the new cartridge; placements vary by control panel, and the FPBS2777RF2 manual’s filter-status page has the exact spot.

Does the Frigidaire FPBS2777RF2 need a bypass plug when the filter is out?

No — the EPTWFU01 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 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 EPTWFU01 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 FPBS2777RF2?

Every six months or at the rated gallon capacity, whichever comes first — the EPTWFU01 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 EPTWFU01 cartridge

This bay takes the OEM EPTWFU01. 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 →