6" x 30" or 30" x 6" Cube Core Eggcrate Return Air Grille w20h20 This grille has a high

This grille has a high standard of design

much more than required 700 PSI for R410

you have 16 different varieties to choose from

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6" x 30" or 30" x 6" Cube Core Eggcrate Return Air Grille w20h20 This grille has a high+ 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