6" x 30" or 30" x 6" Cube Core Eggcrate Return Air Grille Brown Design – Removable face for

Design – Removable face for cleaning and access to damper - wooden damper for airflow shutoff control

crafted from 99

The 1/2" white insulation

3/4” - 2981 PSI

It has an outer surface made of high-quality aluminum foil and an inner surface made of metalized PET with inside high-tensile spring steel wire

6" x 30" or 30" x 6" Cube Core Eggcrate Return Air Grille Brown Design – Removable face for+ 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