Lerhyttan Grey. Read about the terms in the guarantee brochure. Can be cut to desired length.
I asked the designer I worked with at my local ikea and she confirmed. It is a trick a bit dirty because a. There are decent wood floors throughout.
IKEA - LERHYTTAN, Door, light grey, LERHYTTAN door has a distinct traditional character, with a solid wood frame with bevelled edges and an inset veneer panel.
BUT, when they stopped production of the domsjo sink Ikea promised a new version, that people waited for, and it ended up being completely different.
They appropriately pulled it off the market to fix. LERHYTTAN light grey was taken off market due to a finish adhesion issue. There are decent wood floors throughout.