8" x 32" or 32" x 8" Cube Core Eggcrate Return Air Grille Grilles actual front end outer dimensions

actual front end outer dimensions are approximately 20 5/8" width X 36 5/8" height

actual front end outer dimensions are approximately 32 5/8" width X 22 5/8" height -

actual front end outer dimensions are approximately 32 5/8" width X 20 5/8" height

For 6" Round Duct Opening - Spiral or Flex

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8" x 32" or 32" x 8" Cube Core Eggcrate Return Air Grille Grilles actual front end outer dimensions+ Product Details Size 8" x 32" or 32" x 8" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 75" X 33. 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