Important Tips - Please measure your vent cutout size before purchasing. This register booster fan is designed for vents with an opening of 6 x 10 inches (duct opening cutout). Improve HVAC Comfort - This floor vent fan improves airflow from your HVAC system, ensuring even temperatures throughout your home. Built-in Ionizer - Enjoy cleaner air as the built-in ionizer releases negative ions while the vent booster fan operates. This feature helps freshen the air in your room. Customizable Airflow – Manually adjustable louvers let you direct the airflow to your preferred direction for a more comfortable breeze. Energy-Efficient EC Motor - The advanced EC motor provides strong airflow with low energy consumption, ensuring long-lasting, eco-friendly performance. LCD & Remote Control – Adjust vent booster fan speed and settings via the easy-to-use LCD panel, or enjoy convenient remote operation from across the room with 10 speed levels for personalized comfort. Quiet Operation – The air vent fan operates at only 30 dBA, making it suitable for bedrooms, nurseries, and offices. Enjoy strong airflow with low noise levels. Say goodbye to uneven room temperatures and enjoy year-round comfort! This smart register booster fan is designed for 6"x10" floor and wall vents, featuring 10 fan speeds and a convenient remote control, making it easy to customize airflow to your needs. The quiet PWM motor operates at noise levels as low as 28 dBA, ideal for nighttime use. Delivering up to 140 CFM of airflow, it boosts your HVAC system’s efficiency and helps reduce energy costs—an excellent upgrade for a more comfortable and energy-efficient home.