22" x 22" Cube Core Eggcrate Return Air Grille ceiling Actual Filter Size – 13

Actual Filter Size – 13 3/4"w x 13 3/4" x 1"

+ Product Details Outer dimensions: 11

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it integrates effortlessly into T-bar or plaster frame ceilings

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22" x 22" Cube Core Eggcrate Return Air Grille ceiling Actual Filter Size – 13+ 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