45" x 19 3/4" x 4 1/4" deep - Interior plastic refrigerator chimney common to many Airstreams of the mid 60s and 70s. Does not fit Arogsy Minuet Airstreams. Manufactured of a thicker than original, 3/16" ABS plastic in a Polar White color. Install by predrilling holes and riveting to the wall. We recommend going slightly larger holes for the rivets on the plastic, so as to prevent cracking.