8" x 10" or 10" x 8" Cube Core Eggcrate Return Air Grille White + Product Details Size –

+ Product Details Size – 24"w X 24"h is the drop ceiling HVAC supply grille size - for T-Bar lay-in

+ Product Details Size - 36"w X 14"h is the size for the duct opening measurement only

Refrigerant - 1/2" White Insulation - 50' Long

+ Product Details Size – 8"w X 24"h is the size for the duct opening measurement only

+ Product Details Size – 14"w X 36"h is the size for the duct opening measurement only

8" x 10" or 10" x 8" Cube Core Eggcrate Return Air Grille White + Product Details Size –+ Product Details Size 8" x 10" or 10" x 8" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 75" X 11. 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