Register Booster Fan Quiet Vent Booster Fan Fits 4 X 12 Register Holes Brown ZCZTQFSZ412INPDAMV5

To address this issue, you can boost the airflow from weaker registers to create more balanced temperature distribution and improve overall comfort while also reducing energy costs. Smart Register Vent: Only for duct opening that measures 4 x 10 inch Measure duct opening height and width before ordering; Do not use the top plate size as a reference; Vents in homes can vary in size. Measure each duct opening separately. When the screen display LC, it means it is locked. You can also turn off the screen manually. Don't worry about the lights being too bright to disturb you when are sleepping. With Remote Control Wireless remote control design, easy for you to adjust the wind speed(0 - 10) in any operation mode at any time, whether you are sitting or lying down. It can help you to minimize noise and power consumption. Eliminate Uneven Room Temperatures: Biowind smart register vent equipped with programmable LED controller and high-precision temp sensor to work with HVAC. It can automatically turn on/off vent fan to heat or cool the rooms at the right time. New Upgraded Remote Control: Remotely adjust the fan speed(0-10 level）to meet user different needs and make a perfect balance between noise and comfort. Besides, This smart register vent continues running after HVAC system off, pulling every bit of heat or cold air into your home. Help you save more energy & electricity costs. Compact & Easy to Install: Biowind smart register booster fan is small in size and easy to move or install,making them convenient to use. Fits ONLY 4 x 10 Register Vent| Rated power: 6W | AC Input: 100 to 240 VAC| Airflow: 120 CFM | Noise: 18 Dba | Includes Wall Adapter, plug and play.