8" x 10" or 10" x 8" Cube Core Eggcrate Return Air Grille 6in diameter These Supply Diffusers with integral

These Supply Diffusers with integral round necks are recommended for heating

+ Product Details Size – 18" x 20" or 20" x 18" 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

Design – Premium plated finish and modern contemporary design forming a luxurious piece

8" x 10" or 10" x 8" Cube Core Eggcrate Return Air Grille 6in diameter These Supply Diffusers with integral+ 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