12" x 16" or 16" x 12" Cube Core Eggcrate Return Air Grille Powder-Coated Actual Filter Size – 27

Actual Filter Size – 27 3/4"w x 25 3/4" x 1"

The premium durable material guarantees that they will never rust or wear through

these airflow control components provide you with effortless control over your indoor environment

actual front end outer dimensions are 32" width X 10" height

12" x 16" or 16" x 12" Cube Core Eggcrate Return Air Grille Powder-Coated Actual Filter Size – 27+ Product Details Size 12" x 16" or 16" x 12" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 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