Water Filter for the Frigidaire FPHN2899LF4 (ULTRAWF)

FPHN2899LF4 specifics — where the filter actually lives

On the FPHN2899LF4, the cartridge in the fresh-food compartment, placement dependent on the dispenser package, a deliberate placement that keeps the swap away from the door seals and drawer rails. It is a twist-lock bay: half a turn of wrist work in each direction is the whole procedure; everything else is towel management.

Two quirks worth knowing before you order: 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. The constant across every trim of this machine is the cartridge line — the FPHN2899LF4 shares its water path with the whole ULTRAWF generation — the cartridge is the common denominator, not the door count. The F4 tail marks finish variants of one chassis; the filter bay is shared across the entire finish range.

Reading the FPHN2899LF4 model code — what the digits tell you

Read the code as 28 cubic feet of capacity, which tells you the cartridge’s real workload between changes. What stays constant across the trim range: every variant of this chassis locks onto the ULTRAWF line — that is the whole parts story.

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

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.

FPHN2899LF4 filter questions