VEVOR Inline Duct Fan 4 in. 205 CFM with Temperature Humidity Controller Quiet EC-Motor Ventilation Exhaust Fan

Are you ready for a breath of fresh air. Well, take a deep breath and brace yourself VEVOR’s inline duct fan is equipped with a high-speed pure copper motor, providing a large volume of air to ensure sufficient ventilation. It features vibration-free rubber mats to reduce noise.