Low Noise &: Operates at just 38dB for quiet while consuming only 6W power, making it ideal for noise sensitive environments like bedrooms or offices Multiple Size Option: Choose from 50mm, 40mm, 32mm, 25mm, or 20mm inner diameter outlets to fit various ventilation needs, offering flexible installation for different spaces Sturdy PVC Construction: Built with a sturdy PVC housing and copper brushless motor, this fan resists overheating and deformation, ensuring long lasting operations under continuous use Powerful 12V6W Air Circulations: efficient ventilation with this 88m³ / h airflows pipe fan, perfect for bathrooms, kitchens, pet houses, and electronics workshops The 5.5X2.1Mm power input ensures stable Versatile Compatibility: Works with 12V adapters, solar panel, or battery powered systems, suitable for hydroponics, indoor gardening, or combustion equipment ventilation, Manufacturer: RUINBNC