8" x 22" or 22" x 8" Cube Core Eggcrate Return Air Grille w6h6 Performance – High diffusion induction

Performance – High diffusion induction rates result in rapid temperature and velocity equalization of the mixed air mass well above the zone of occupancy

Looks like new after years of use

Actual Filter Size – 29 3/4"w x 29 3/4" x 1"

10"w X 2"h Is The Size For The Duct Opening Measurement Only

each available in a variety of high-quality materials like brushed nickel

8" x 22" or 22" x 8" Cube Core Eggcrate Return Air Grille w6h6 Performance – High diffusion induction+ Product Details Size 8" x 22" or 22" x 8" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 75" X 23. 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