10" x 16" or 16" x 10" Cube Core Eggcrate Return Air Grille Insulated Line Set And is classified as Class

And is classified as Class 1 Fire Proof - B1

accordion-item')

Installation Location – Floor

+ Product Details Size - 24"w X 10"h is the size for the duct opening measurement only

10" x 16" or 16" x 10" Cube Core Eggcrate Return Air Grille Insulated Line Set And is classified as Class+ Product Details Size 10" x 16" or 16" x 10" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 75" X 17. 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