14" x 26" or 26" x 14" Cube Core Eggcrate Return Air Grille steel actual front end outer dimensions

actual front end outer dimensions are approximately 20 5/8" width X 24 5/8" height

ensuring compatibility with most thermostat models

actual front end outer dimensions are approximately 30 5/8" width X 16 5/8" height -

actual front end outer dimensions are 26

14" x 26" or 26" x 14" Cube Core Eggcrate Return Air Grille steel actual front end outer dimensions+ Product Details Size 14" x 26" or 26" x 14" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" X 27. 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