Exhaust Fan Home Silent Inline Duct Fan Booster Bathroom Extractor Blower Pipe Air Ventilation System Kitchen Wall Fan ,Quiet and Water Resistant

- Pure copper sheathed wire: High temperature resistant, cold resistant; not easy to break or hard to age. It can be used for temperature changes from -25 °C to 90 °C. - Plastic steel frame: With high-pressure electrostatic spraying technology, it is anticorrosive, anti-rusting and easy to clean. - Stainless steel vane to ensure exhaust volume and maintain a smooth operation. - Pure copper wire motor and ball bearing ensure strong and stable motor operation. - The noise amplitude is very small.