12" x 16" or 16" x 12" Cube Core Eggcrate Return Air Grille w14h14 actual front end outer dimensions

actual front end outer dimensions are approximately 3

actual front end outer dimensions are approximately 36 5/8" width X 12 5/8" height

+ Product Details Perfect Fit & Easy Sizing - Designed for a 10" x 16" or 16" x 10" duct opening (measured at the opening)

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

12" x 16" or 16" x 12" Cube Core Eggcrate Return Air Grille w14h14 actual front end outer dimensions+ Product Details Size 12" x 16" or 16" x 12" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 75" X 17. 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