14" x 34" or 34" x 14" Cube Core Eggcrate Return Air Grille return filter Installation is simple

Installation is simple

actual front end outer dimensions are approximately 27 5/8" width X 16 5/8" height

+ Product Details Outer dimensions: 17

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

Efficient Airflow Design: The slots are meticulously angled to diversify airflow in two directions

14" x 34" or 34" x 14" Cube Core Eggcrate Return Air Grille return filter Installation is simple+ Product Details Size 14" x 34" or 34" x 14" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 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