Ultra Quiet Bathroom Exhaust Fan,1.0 Sones, 100 CFM, Energy Efficient

Important Size Notice: Please confirm the installation size before purchase: Panel Size 9.8" x 9.8", Mounting Hole Size 8.27" x 8.27", Duct Diameter 3.9" (4" standard). Ideal for spaces up to 100 sq. ft | Powerful Ventilation & Anti-Fog: 100 CFM strong airflow quickly removes moisture, steam, odors and tobacco smoke, keeping your bathroom dry and mirror fog-free after shower. | Ultra Quiet Operation (1.0 Sones): Operates at only 1.0 Sones (40dB), quieter than a whisper. Built with a watertight & efficient motor and precision blower wheel, ensuring silent performance without disturbing rest, work or bathing | Easy Installation & Durable Structure: Comes with a cutout template and quick wire connectors. No ground wire needed (dual insulation design). The fan is fixed with screws and spring clamps, stable and easy to disassemble for cleaning. Features a long-lasting watertight motor for reliable use | Energy Saving & Wide Application: Energy-efficient design reduces power consumption and electricity costs. Suitable for bathroom, home, office, shower room, restroom and laundry room, providing a comfortable and fresh environment