Water Filter for the Gibson GRS23F5AQ3 (WF2CB)

GRS23F5AQ3 specifics — where the filter actually lives

On the GRS23F5AQ3, the cartridge in the fresh-food compartment — exact spot varies by dispenser layout, the same estate every refrigerator in this family uses. Mechanically the GRS23F5AQ3 uses a twist-in cartridge: the cartridge drops into the keyed seat and locks with a short quarter turn.

Practical notes from the install forums: run the first gallon or two through a fresh cartridge before drinking — carbon fines are normal — and reset the indicator so the countdown matches reality. One more anchor for the parts search: the GRS23F5AQ3 shares its water path with the whole WF2CB generation — the cartridge is the common denominator, not the door count. Finish letter sets like Q3 never alter the bay; the WF2CB line fits the whole set.

Reading the GRS23F5AQ3 model code — what the digits tell you

Cabinet class 23 cubic feet — a box that size leans on the dispenser, so the six-month cartridge interval earns its keep. The trim walk never reaches the plumbing: trim codes shuffle doors and finishes; the WF2CB cartridge family is the fixed point.

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.

GRS23F5AQ3 filter questions