12" X 30" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 38 + Product Details Size -

+ Product Details Size - 20"w X 25"h is the size for the duct opening measurement only

No Sharp Surface Edges

Design – These galvanized or stainless-steel elbows are mechanically bent

Full Control – Full 190 degrees control of air direction vertically & horizontally

+ Product Details Size & Compatibility – The size of galvanized sheet metal straight floor boot is 12" X 6" X 4"

12" X 30" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 38 + Product Details Size -+ Product Details Size 12"w X 30"h is the size for the duct opening measurement only, [Outer Dimensions: 14. 5"w X 32. 5"h] Actual Filter Size 11 3 4"w x 29 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,