Unfinished White Oak Flush (no/frame) Vent, 2 1/4" X 12" (duct) Original style

"Original" GrillWorks design, engineered to satisfy the demands of professional floor layers. Each vent is built oversized to cover a standard adjustable metal register installed on the subfloor. The essential ability to control air flow is retained. The patented design allows flush installation in a 3/4" floor. Fluted dowel construction.