ETHFRF White Grille Ceiling Ventilation Fan - 80 CFM, 1.5 Sones, 22W, 90 Sq.Ft Coverage, Energy Star & HVI Certified

This ceiling-mounted exhaust ventilation fan has an airflow of 80 CFM, which can cover an enclosed space of 90 square feet. It can efficiently exhaust humid air and odors, making it especially suitable for bathrooms, keeping the space dry and clean, and it is a practical ventilation device. It has strong installation adaptability. The fan housing dimension is 7.5" x 7.25" x 6", the ceiling opening dimension needs to be 7.6" x 7.3" x 6.2", and the 4" duct diameter is compatible with common ventilation ducts. A detailed instruction manual is included for easy installation and use. It has a thoughtful and practical design, equipped with an advanced check valve to prevent backflow of dirty air, keeping the bathroom environment consistently fresh. Certified by Energy Star and HVI, it has excellent performance and energy efficiency, saving energy costs for the family. It has a sturdy and durable structure, adopting a galvanized sheet fan housing, ABS fan grille, and a copper motor, ensuring a long service life. The multi-blade wind wheel design maximizes ventilation efficiency, ensuring long-term stable operation, and it is a reliable ventilation device. It operates quietly without disturbing others, with a noise level of only 1.5 sones, which will not disrupt the tranquility of the bathroom. It allows you to avoid noise interference when washing or bathing, bringing a comfortable use experience, and it is a low-noise exhaust fan.