30" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 32 5/8" X 22 5/8"] Aluminum Bar } /* LIST SPACING */ Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

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Both lines taped together every 18in for easier handling & installation

High Quality – Solid rigid steel body for durability and reliability with dampers operable by switch for airflow directional control

+ Product Details Size – 10" x 14" or 14" x 10" is the size for the duct opening measurement only

our Circular Air Supply Valves are ideal for low and medium pressure ventilation air conditioning systems

30" X 20" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 32 5 8" X 22 5 8"] Aluminum Bar } * LIST SPACING * Compatible With Duct 7in Applications This sheet metal DDAG A 1212 } * LIST SPACING * #hvac product accordion li { margin bottom: 16px Both lines taped together every 18in for easier handling & installation