18"W X 30"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 19.875"W X 31.875"H] 3-Way or 4-Way + Product Details Size – Compatible with Duct 4" Product Details Size 32 LO246

+ Product Details Size – 26"w X 10"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 8" x 14" or 14" x 8" duct opening (measured at the opening)

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

Available in both standard and custom sizes

18"W X 30"H [Duct Opening] ALUMINUM RETURN GRILLE EASY AIR FLOW LINEAR BAR GRILLES [OUTER DIMENSIONS: 19.875"W X 31.875"H] 3 Way or 4 Way + Product Details Size – Compatible with Duct 4" Product Details Size 32 LO246 + Product Details Size – 26"w X 10"h is the size for the duct opening measurement only + Product Details Perfect Fit & Easy Sizing Designed for a 8" x 14" or 14" x 8" duct opening (measured at the opening)