Heat Register Control and SAVE on energy bills Precision Airflow Regulator

• Infinitely adjustable louver assembly
• Control every room’s airflow, saving you money
• Maintenance-FREE, brass plate over steel antique brass finish
• Overall 5 1/4 x 11 1/4 Fits standard opening 4 x 10
• Steel core is 3mm thick
• Easily mounts onto ceilings and floors

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