22" x 22" Cube Core Eggcrate Return Air Grille w24h24 actual front end outer dimensions

actual front end outer dimensions are approximately 10 5/8" width X 14 5/8" height

16" Circular Round Aluminum HVAC Supply Grille Air Diffuser - With Butterfly Damper - Vent Duct Cover

Actual Filter Size – 7 3/4"w x 19 3/4" x 1"

actual front end outer dimensions are approximately 22 5/8" width X 38 5/8" height

22" x 22" Cube Core Eggcrate Return Air Grille w24h24 actual front end outer dimensions+ Product Details Size 22" x 22" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 23. 75" X 23. 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 electric