our Butterfly Damper simplifies the process of managing airflow
+ Product Details Size - 20"w X 20"h Is The Size For The Duct Opening Only
Removable core for access to optional damper
12" x 3" Decorative Wood Air Vent HVAC Duct Cover Grille - Polished Finish Red Oak Wood - 2-Way Air Direction
Easy Installation: Comes with mounting screws for a secure fit in minutes
12"w X 12"h Extruded Aluminum Adjustable Surface Mount Supply Ceiling HVAC Air Grille Interchangeable: 1-Way, 2-Way, 3-Way or 4-Way - Vent Duct Cover [Outer Dimensions: 13.125" X 13.125"] Black our Butterfly Damper simplifies the+ Product Details Size 12"w X 12"h Is The Size For The Duct Opening Only, Dimensions With Outer End are 13. 125" X 13. 125". Design Re configurable Interchangeable Sections Easily convertible into 1 Way, 2 Way, 3 Way, or 4 Way Just lift sections and rotate to re configure direction. High Quality Aluminum The premium durable aluminum will never rust and it will never wear through leaving the material with an elegant, beautiful, and smooth surface, adds
