14" x 34" or 34" x 14" Cube Core Eggcrate Return Air Grille 6" Diameter + Product Details Size -

+ Product Details Size - 16"w X 12"h is the size for the duct opening measurement only

2 recessed screw holes on each side with screws included

Airflow – Improved airflow dynamics long neck bBody- reduced noise design - integrated spring fasteners

Universal Fit – With dimensions of 4-1/8" wide x 7-1/16" high x 2-1/8"

The unique sponge gasket ensures an airtight seal

14" x 34" or 34" x 14" Cube Core Eggcrate Return Air Grille 6" Diameter + Product Details Size -+ Product Details Size 14" x 34" or 34" x 14" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" X 35. 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