30" x 36" or 36" x 30" Cube Core Eggcrate Return Air Grille Compatible with Duct 10" Actual Front End Outer Dimensions

Actual Front End Outer Dimensions Are 14" Width X 8" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

+ Product Details Perfect Fit & Easy Sizing - Designed for a 26" x 26" duct opening (measured at the opening)

actual front end outer dimensions are approximately 27 5/8" width X 28 5/8" height

Heavy-gauge all-steel construction

+ Product Details Size - 10"w X 6"h is the size for the duct opening measurement only

30" x 36" or 36" x 30" Cube Core Eggcrate Return Air Grille Compatible with Duct 10" Actual Front End Outer Dimensions+ Product Details Size 30" x 36" or 36" x 30" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 32. 5" X 38. 5". 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