16" x 22" or 22" x 16" Cube Core Eggcrate Return Air Grille Color_White 16" Circular Round Aluminum HVAC

16" Circular Round Aluminum HVAC Supply Grille Air Diffuser - With Butterfly Damper - Vent Duct Cover

+ Product Details Size - 22"w X 20"h is the size for the duct opening measurement only

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

Actual Filter Size – 21 3/4"w x 29 3/4" x 1"

16" x 22" or 22" x 16" Cube Core Eggcrate Return Air Grille Color_White 16" Circular Round Aluminum HVAC+ Product Details Size 16" x 22" or 22" x 16" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 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