COSTWAY Bathroom Exhaust Fan, Ceiling Mount Ventilation Fan with Galvanized Sheet Housing, 4 Inch Duct Connector, 80 CFM 1.5 Sones Quiet Bath Vent Fan for Home, White

Efficient Ventilation: Equipped with a copper motor, our ventilation fan delivers 80 CFM powerful airflow, efficiently blowing away any stale air and moisture in spaces up to 90 sq. ft. Additionally, it complies with Energy Star and HVI certifications, ensuring 22W low energy consumption..
Ultra-Quiet Operation: Operating at only 1.5 sones, the household bath vent fan effectively ventilates while keeping noise to a minimum. Its ultra-quiet operation allows you to enjoy peaceful showers and relaxing baths without the disturbance of loud fan noise..
Rustproof Construction: Built to last, the quality bathroom exhaust fan features a galvanized sheet housing and a premium ABS panel that resist rust and provide outstanding structural strength. It enhances the longevity of the fan, making it a reliable choice for your home ventilation needs..
Advanced Check Valve: Equipped with an advanced check valve, the ceiling mount ventilation fan prevents air from flowing back into the room, efficiently expelling smoke, water vapor, and unpleasant smells. Keep your bathroom environment fresh and clean effortlessly..
Product Dimensions: The suggested ceiling opening size is 7.6" x 7.3" x 6.2" (L x W x H), which may require resizing your current ceiling opening for a perfect fit. The diameter of the duct connector is 4 (please confirm the size before purchasing).