8"W X 4"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 9.875"W X 5.875"H] w12h12 allow you to customize airflow Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

allow you to customize airflow direction with ease

+ Product Details Size – 12"w X 24"h pleated MERV 8 filter for HVAC return filter grille - 3 Pack

these louvers provide exceptional protection against rain and water

+ Product Details Perfect Fit & Easy Sizing - Designed for a 24" x 26" OR 26" x 24" duct opening (measured at the opening)

75"H – fits a 18" X 12" duct opening

8"W X 4"H [Duct Opening] ALUMINUM RETURN GRILLE Easy Air Flow Linear Bar Grilles [Outer Dimensions: 9.875"W X 5.875"H] w12h12 allow you to customize airflow Compatible With Duct 7in Applications This sheet metal DDAG A 1212 allow you to customize airflow direction with ease + Product Details Size – 12"w X 24"h pleated MERV 8 filter for HVAC return filter grille 3 Pack