14" X 25" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES return grille + Product Details Size –

+ Product Details Size – 20" X 20" is the size for the drywall opening measurement only

Put in frame and lock the door into place

providing maximum flexibility

+ Product Details Size – 12"w X 6"h is the size for the duct opening measurement only

14" X 25" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES return grille + Product Details Size –+ Product Details Size 14"w X 25"h is the size for the duct opening measurement only, [Outer Dimensions: 16. 5"w X 27. 5"h] Actual Filter Size 13 3 4"w x 24 3 4" x 1" High Quality High quality rust free, strong aluminum construction with smooth finished edges for easy and safe use; Filter grille features a user friendly plastic latch that requires no screwdriver for opening. Installation Location Sidewall and ceiling. Design Heavier gauge than needed,