Wide Application: Our roof vent cap has a wide range of applications, it is suitable for a variety of vehicles, including trailers, RVs and campers, and it is a must-have RV accessory for traveling and camping. Sturdy Material: Made of high-strength ABS plastic material, the RV roof cover is erosion- and wear-, and can withstand harsh weather conditions, ensuring durability and service life. Anti-odor: The roof vent cover can effectively exhaust sewer odors, preventing unpleasant odors from entering your RV compartment through the pipes, ensuring that your RV's interior environment is comfortable and fresh. Easy Installation: The duct vent cover can be easily installed on the top of the RV vent pipe, and there are 6 screw holes at the bottom for easy installation. Function: This ABS duct vent cap has a base diameter of 5 1/4 inches and is 3 inches high after installation, providing your RV with an effective and efficient ventilation system, enhancing your driving experience. Colour:White Material:ABS Package Contents: 1 x RV Roof Vent Caps Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.