16" x 34" or 34" x 16" Cube Core Eggcrate Return Air Grille Color_Black For 8" Round Duct Opening

For 8" Round Duct Opening - Spiral or Flex

75" width X 5

actual front end outer dimensions are approximately 36 5/8" width X 34 5/8" height

+ Product Details Size – 25"w X 14"h is the size for the duct opening measurement only

+ Product Details Size - 32"w X 32"h is the size for the duct opening measurement only

16" x 34" or 34" x 16" Cube Core Eggcrate Return Air Grille Color_Black For 8" Round Duct Opening+ Product Details Size 16" x 34" or 34" x 16" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 75" X 35. 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