12" x 14" or 14" x 12" Cube Core Eggcrate Return Air Grille Aluminum Adjustable Curved Blade actual front end outer dimensions

actual front end outer dimensions are approximately 12 5/8" width X 12 5/8" height

please note that the total outer dimensions of the grille measure 7" in diameter

Design – Removable door/face for easy filter change & cleaning - uses a 1" thick filter

+ Product Details Size – 12"w X 36"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 38 5/8" width X 16 5/8" height -

12" x 14" or 14" x 12" Cube Core Eggcrate Return Air Grille Aluminum Adjustable Curved Blade actual front end outer dimensions+ Product Details Size 12" x 14" or 14" x 12" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 75" X 15. 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