12" x 34" or 34" x 12" Cube Core Eggcrate Return Air Grille 2-Way with actual outer dimensions of

with actual outer dimensions of 22

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

Design – This airflow control component are made to connect to HVAC diffuser and restrict airflow

positioning supply and return grills accordingly

12" x 34" or 34" x 12" Cube Core Eggcrate Return Air Grille 2-Way with actual outer dimensions of+ Product Details Size 12" x 34" or 34" x 12" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 75" X 35. 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