Description This roof vent hood is designed to provide efficient ventilation for your home or RV. The flue protector allows that rain and debris do not enter the ventilation system, maintaining a clean and functional exhaust path. Its sleek design and construction make it a addition to any ventilation setup. Features Opening diameter: 150mm -Color:Silver -Material:Stainless steel -Size:27.50X27.50X24.00cm/10.81X10.81X9.43in -High efficiency ventilation: the roof flue vent efficiently expels indoor pollutants, allowing a fresh and clean indoor environment -Powerfree design: operates without external power or batteries, utilizing natural wind for ventilation -Rain protection: equipped with a wind driven cap that effectively prevents rainwater from entering, keeping the interior dry and clean -Easy installation: lightweight and portable design allows for simple installation, suitable for various roof types -Quiet operation: made with solid materials and advanced technology, the rain roof cap operates quietly, allowing a peaceful indoor environmentPackage list: 1 x roof vent cap