Description
R Value Rating of Insulation - R3
+ Product Details Size - 22"w X 26"h is the size for the duct opening measurement only
+ Product Details Size - 20"w X 34"h is the size for the duct opening measurement only
} (function () { const container = document
actual front end outer dimensions are approximately 16 5/8" width X 12 5/8" height
6" x 36" or 36" x 6" Cube Core Eggcrate Return Air Grille Color_Anodized Aluminum R Value Rating of Insulation+ Product Details Size 6" x 36" or 36" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 75" X 37. 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