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IMPERIAL 4-in x 12-in Maximum Airflow Cast Iron Matte Black Floor Register (4-Pack) in the Floor Registers department at Lowes.com
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Madelyn Carter Contemporary Floor Registers Flat Black"Cast Iron Look" (Cast Aluminum) 4" x 10" (Overall Size: 5-1/2" x 11-1/2") : Amazon.co.uk: DIY & Tools
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6"x 12" Heavy Duty Solid Cast Iron Floor Register | Wall Vent Cover | with Detachable Steel Metal Damper | Floor Registers And Grills
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