Features: 1There are louvers inside the hood all inclined downward at an angle of 30 degrees neat and beautiful. 2The louver serves as a secondary defense to prevent rainwater from being involved due to heavy rain. 3Made of more highquality and durable ABS material it will not be damaged by high temperature cold and rain. 4The top shell of the product is wrapped with a layer of 2mm thick insulation cotton to ensure that the air in the pipe is not affected by the outside temperature. 5A filter is set inside the hood to prevent mosquitoes and dust from entering. Specification: Item Type: Exhaust Hood CapMaterial: PVC+ABS+Heat Preservation CottonColor: As shown in the pictureProduct Size: As shown in the picture Package List: 1 x Exhaust Hood Cap Note: 1. The product is a plastic part and cannot bear weight. Please do not press heavy objects on it when using it.2. Please determine the size of the caliber before purchasing to avoid discrepancies with the size of the ventilation duct interface.