20" x 26" or 26" x 20" Cube Core Eggcrate Return Air Grille w22h22 Filter Size - 9

Filter Size - 9

Design – 180 degrees double direction adjustable - fins are manually adjustable individually for optimal air distribution

but still light and handy

no professional tools needed

20" x 26" or 26" x 20" Cube Core Eggcrate Return Air Grille w22h22 Filter Size - 9+ Product Details Size 20" x 26 or 26" x 20" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 21. 75" X 27. 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