22" x 24" or 24" x 22" Cube Core Eggcrate Return Air Grille Compatible With Duct 6in + Product Details Size –

+ Product Details Size – 26"w X 8"h is the size for the duct opening measurement only

+ Product Details Size – 24" x 24" with 6" collar T-Bar drop ceiling perforated return grill - metal back casing

+ Product Description This aluminum flex duct is intended to be used in heating

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22" x 24" or 24" x 22" Cube Core Eggcrate Return Air Grille Compatible With Duct 6in + Product Details Size –+ Product Details Size 22" x 24" or 24" x 22" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 23. 75" X 25. 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