6" x 30" or 30" x 6" Cube Core Eggcrate Return Air Grille w20h20 + Product Details Size –

+ Product Details Size – 4"w X 8"h is the size for the duct opening measurement only

much more than required 700 PSI for R410

This grille has a high standard of design

background: #f8f9fb

By means of the smooth surface

6" x 30" or 30" x 6" Cube Core Eggcrate Return Air Grille w20h20 + Product Details Size –+ Product Details Size 6" x 30" or 30" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 75" X 31. 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