14" x 16" or 16" x 14" Cube Core Eggcrate Return Air Grille w25h25 Design – This airflow control

Design – This airflow control component are made to connect to a drop ceiling lay-in diffuser grille

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Actual Filter Size – 19 3/4"w x 21 3/4" x 1"

+Product Details Size – 2"h x 12"w is the size for the duct opening measurement only

14" x 16" or 16" x 14" Cube Core Eggcrate Return Air Grille w25h25 Design – This airflow control+ Product Details Size 14" x 16" or 16" x 14" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" X 17. 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