12" Exhaust Fan Extractor Fan Wall/Ceiling mount Venting Fan for Bathroom Kitchen Garage

Notes 1. When installing the exhaust fan, please orient the check valve outward to avoid reverse installation. Adjust the position of the exhaust fan to horizontal and vertical to ensure smooth operation of the blades. 2. After fixing the exhaust fan, please seal the remaining wall void. 3. Please allow the slight color difference caused by the shooting light and 1-3cm error due to manual measurement, and make sure you do not mind before you order.