VIVOSUN Register Booster Fan, Fits 4" x 12" Register Holes, with 10 Speeds, Smart Thermostat Control, App Control and Adjustable Wind Direction, HVAC Vent Fan Booster, Brown

Features

• Enhanced Comfort: This fan efficiently boosts airflow from your existing HVAC systems, increasing comfort while saving energy and reducing costs; Fits only standard 4" × 12" register holes
• Powerful & Quiet: Featuring hydro-mechanical stator blades and dual ball bearings, this fan delivers reliable performance; The PWM-controlled DC motor provides precise speed control, energy efficiency, enhanced durability, and quiet operation at just 18 dBA on the lowest speed
• 10-Speed Intelligent Control: Featuring a programmable LCD controller and high-precision temperature sensor, this fan monitors temperature and activates at your preset levels; With 10 speed options, you can easily customize airflow to your preference
• Adjustable Wind Direction: The airflow guide vanes, designed like window blinds, allow easy adjustment of airflow direction or complete closure to prevent dust buildup when not in use; This feature provides broader coverage and enables focused airflow in specific directions
• App Control: Wi-Fi enabled for seamless connection to the Vivosun app, offering smart remote control at your fingertips; Set the cooling/heating triggers, adjust speeds, and explore advanced features--all from your phone