30" X 12" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES 18" Diameter Whether you choose the modern

Whether you choose the modern contemporary

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

Each grille is securely shrink-wrapped with a cardboard backing to prevent damage during shipment

High Quality – High-quality steel with counter-sunk screw holes (screws included) and no sharp edges

The total outer size of this grille is the listed size plus 1

30" X 12" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES 18" Diameter Whether you choose the modern+ Product Details Size 30"w X 12"h is the size for the duct opening measurement only, [Outer Dimensions: 32. 5"w X 14. 5"h] Actual Filter Size 29 3 4"w x 11 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,