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 approximately 27 5/8" width X 28 5/8" height

Heavy-gauge all-steel construction

+ Product Details Size - 34"w X 28"h is the size for the duct opening measurement only

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

scratch-resistant

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