Grill Works Trimline 2-step Montblanc White Oak 4x10

Slim, trim, flush styling with the cleanest look possible. Sets flat on the subfloor. The frame is set permanently while the vent is removable to permit cleaning of the duct throat. Delicate looking but tough. Easy slide damper or adjustable box damper also available. Custom units overall dimensions are 4" over duct opening.