20"W X 14"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 21.875"W X 15.875"H] w30h30 + Product Details Size - MFACRA88W1 Condensate Pump Product Details Size 20
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Description
20"W X 14"H [Duct Opening] ALUMINUM RETURN GRILLE Easy Air Flow Linear Bar Grilles [Outer Dimensions: 21.875"W X 15.875"H] w30h30 + Product Details Size MFACRA88W1 Condensate Pump Product Details Size 20 + Product Details Size 4"w X 34"h is the size for the duct opening measurement only + Product Details Perfect Fit & Easy Sizing Designed for a 6" x 30" or 30" x 6" duct opening (measured at the opening)