6" x 26" or 26" x 6" Cube Core Eggcrate Return Air Grille 2-Way + Product Details Size –

+ Product Details Size – 14"w X 4"h is the size for the duct opening measurement only

With a 6" diameter for the duct opening measurement

+ Product Details Size – 22"w X 36"h is the size for the duct opening measurement only

12" x 8" Decorative Wood Air Vent HVAC Duct Cover Grille - Polished Finish Red Oak Wood - 2-Way Air Direction

But they are also the most visible representation of you air system

6" x 26" or 26" x 6" Cube Core Eggcrate Return Air Grille 2-Way + Product Details Size –+ Product Details Size 6" x 26" or 26" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 75" X 27. 75". High Quality High quality, rust free aluminum construction with smooth finished edges and counter sunk screw holes (screws included); no sharp edges.. Installation Location sidewall and ceiling. Design Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing