30" x 32" or 32" x 30" Cube Core Eggcrate Return Air Grille w26h26 + Product Details Size –

+ Product Details Size – 6" x 8" or 8" x 6" is the size for the duct opening measurement only

making it ideal for preventing tampering or unauthorized adjustments

Designed for optimum performance

Full Control – Full 190 degrees control of air direction vertically & horizontally

+ Product Details Size - 36"w X 10"h is the size for the duct opening measurement only

30" x 32" or 32" x 30" Cube Core Eggcrate Return Air Grille w26h26 + Product Details Size –+ Product Details Size 30" x 32" or 32" x 30" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 31. 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