14" x 24" or 24" x 14" Cube Core Eggcrate Return Air Grille 12in diameter + Product Details Size –

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

1-1/8" - 2334 PSI

+ Product Details Size – 16" x 36" or 36" x 16" is the size for the duct opening measurement only

+ Product Details Size – 28"w X 22"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 14 5/8" width X 32 5/8" height

14" x 24" or 24" x 14" Cube Core Eggcrate Return Air Grille 12in diameter + Product Details Size –+ Product Details Size 14" x 24" or 24" x 14" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" X 25. 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