30" X 10" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES Sheet Metal/Adjustable Elbow [Outer Dimensions: 18

[Outer Dimensions: 18

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+ Product Details Size - 14"w X 30"h X 2"d (for duct opening measurement only)

+ Product Details Perfect Fit & Easy Sizing - Designed for a 12" x 28" or 28" x 12" duct opening (measured at the opening)

+ Product Details Size – 12" X 24" is the size for the drywall opening measurement only

30" X 10" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES Sheet Metal/Adjustable Elbow [Outer Dimensions: 18+ Product Details Size 30"w X 10"h is the size for the duct opening measurement only, [Outer Dimensions: 32. 5"w X 12. 5"h] Actual Filter Size 29 3 4"w x 9 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,