6" x 8" or 8" x 6" Cube Core Eggcrate Return Air Grille Material_Steel actual front end outer dimensions

actual front end outer dimensions are approximately 18 5/8" width X 12 5/8" height -

+ Product Details Size – 22"w X 12"h is the size for the duct opening measurement only

+ Product Details Size – 24" x 30" or 30" x 24" is the size for the duct opening measurement only

ensuring it fits most standard thermostat models

Actual Filter Size – 33 3/4"w x 11 3/4" x 1"

6" x 8" or 8" x 6" Cube Core Eggcrate Return Air Grille Material_Steel actual front end outer dimensions+ Product Details Size 6" x 8" or 8" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 75" width X 9. 75" height. 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%,