Bathroom Exhaust Fan with Humidity Sensor 110CFM, Auto On/Off Energy-Saving EC Motor,10.2-inch Ceiling Retrofit Bath Fan, No Attic Access Needed

ENERGY-SAVING & LONG-LASTING: The bathroom exhaust fan with a brushless EC motor delivers 110 CFM at only 12.5W, saving 50% energy compared with AC motors. Rated for 30, 000 hours, it allows easy, tool-free installation with terminal blocks.
SMART AUTO-VENTILATION: Choose between two modes via the switch inside the panel. Manual Mode provides a steady 110 CFM airflow. Auto Humidity Sensing Mode turns the fan on at 55% and off at 50%, operating at the same powerful 110 CFM.
CONSTANT AIRFLOW TECHNOLOGY: Unlike traditional fixed-speed fans, this bathroom fan automatically adjusts its speed to maintain consistent airflow against duct bends, dust buildup, or increased static pressure, providing stable and reliable ventilation over time.
EFFECTIVE STEAM AND ODOR REMOVAL: The powerful 110 CFM bathroom fan quickly clears steam and odors in rooms up to 129ft², helping prevent damp walls and stuffy air. Operating at 1 sone, it is nearly silent even at night.
TOOL-FREE INSTALLATION: The housing measures 8.9 × 8.9 × 5.7 in and fits standard 10.2 × 10.2 in ceiling openings. It includes a sleek 11.8 × 11.8 in white panel for a clean, modern look. Compatible with 4 in flexible ducting, it combines performance and appearance.
READY-TO-USE PACKAGE: The complete kit includes an aluminum duct, ABS vent, extended power cord, and backdraft damper. Simply expand the four brackets to snap the eight latches into the frame, using the provided template for accurate placement. This model is a fan-only unit and does not include a light feature. Designed with a grounded-free connection and dual insulation for safety, it is ideal for small to medium bathrooms, laundry rooms, and toilets