Azocek Register Booster Fan for 4” x 10” Vents – Quiet Smart Vent Fan with Dual Temp Sensors, 11-Speed PWM Motor, Remote & Auto Mode – Boosts Heating & Cooling Airflow – White

Features

• Fits Standard 4” x 10” Vents with Turbo Boost Mode: This register booster fan is compatible with standard 4" x 10" floor, wall, or ceiling registers. Featuring 4 modes (Auto, Manual, Sleep, Turbo) and 11 speeds. Turbo Mode delivers 50% more airflow—ideal for basements, storage rooms, or weak HVAC zones
• Smart Dual Sensors for Balanced Airflow: The vent booster fan uses built-in room and duct temperature sensors to auto-adjust airflow. Enhances comfort in bedrooms, offices, and living areas — ideal for eliminating hot or cold spots and improving HVAC efficiency
• Ultra-Quiet PWM Motor for Night Use: The PWM-controlled motor ensures quiet operation, especially in Sleep Mode (fan max Level 3). Perfect for bedrooms, baby rooms, or nurseries, this vent register fan improves airflow without disturbing rest or sleep
• Smart Remote Control with Timer: Adjust speed, mode, or timer settings from up to 16.4 ft (5m) away with the included remote. Choose auto shutoff at 30 min, 1h, 2h, 4h, or 8h — ideal for night use, office hours, or energy savings when away
• Durable Aluminum Design — Installs in Minutes: Built with anodized aluminum housing and 50,000-hour dual ball bearings, this vent fan booster delivers long-term performance. Tool-free installation fits floor, wall, or ceiling vents, and the modern design blends with any interior