20" x 24" or 24" x 20" Cube Core Eggcrate Return Air Grille Color_Red Oak designed to optimize your air

designed to optimize your air distribution

Airflow Control – Adjustable airflow lever allows precise control over the direction and volume of air

+ Product Details Size – 12" X 4" is the size for the duct opening (floor/vent hole) measurement only

much more than the required 700 psi for r410

20" x 24" or 24" x 20" Cube Core Eggcrate Return Air Grille Color_Red Oak designed to optimize your air+ Product Details Size 20" x 24" or 24" x 20" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 21. 75" X 25. 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