Photo 1 of Airbrick Quiet Smart Register Booster Fan with Remote Control. Fits 4” x 10” Register Holes. Enhances AC/Furnace Vent Airflow, delivers Heating and Cooling to Rooms. For Wall and Floor Registers.

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Photo 1 of Airbrick Quiet Smart Register Booster Fan with Remote Control. Fits 4” x 10” Register Holes. Enhances AC/Furnace Vent Airflow, delivers Heating and Cooling to Rooms. For Wall and Floor Registers.