30" X 30" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES Fixed Blades with Damper + Product Details Size –

+ Product Details Size – 12"w X 30"h is the size for the duct opening measurement only

+ Product Details Size - 30"w X 12"h is the size for the duct opening measurement only

+ Product Details Size - 20"w X 32"h is the size for the duct opening measurement only

Each grille is carefully packaged with cardboard backing to prevent damage during shipment

+ Product Details Size - 28"w X 28"h is the size for the duct opening measurement only

30" X 30" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES Fixed Blades with Damper + Product Details Size –+ Product Details Size 30"w X 30"h is the size for the duct opening measurement only, [Outer Dimensions: 32. 5"w X 32. 5"h] Actual Filter Size 29 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,