26" x 28" or 28" x 26" Cube Core Eggcrate Return Air Grille 8" Round Duct Pipe Actual Front End Outer Dimensions

Actual Front End Outer Dimensions Are 14" Diameter

+ Product Details Size – 8"w X 14"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 26" x 30" OR 30" x 26" duct opening (measured at the opening)

actual front end outer dimensions are approximately 23 5/8" width X 7 5/8" height

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26" x 28" or 28" x 26" Cube Core Eggcrate Return Air Grille 8" Round Duct Pipe Actual Front End Outer Dimensions+ Product Details Size 26" x 28" or 28" x 26" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 27. 75" X 29. 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