Odor Resistant Roof Vent Cover for RV Trailer Motorhome Easy Install White Plumbing Vent Cap Features： 1、Sturdy Material: Made of high strength ABS plastic material, the RV roof cover is resistant to erosion and wear, can withstand harsh weather conditions, ensuring durability and longevity. 2、Odor Resistant: The roof vent cover efficiently vents sewer odor and prevents unpleasant odors from entering your RV cabin through the pipe, ensuring a pleasant and refreshing environment inside your RV. 3、Easy Installation: The plumbing vent cap easily mounts to the top of your RV's ventilation pipe, featuring 6 screw holes at the base for installation. Just screw it on with silicone sealing all around to secure it tightly on the vent. 4、Versatile Use: The roof vent cap is suitable for a variety of vehicles including trailers, motorhomes, and campervans, making it an essential RV accessory for your travel and camping needs. 5、Wide Application: The base diameter of this vent cap is 5 1/4 inches, and it stands 3 inches high after installation, providing an effective and efficient ventilation system for your motorhome. Specification： Item Type: Plumbing Vent Cap Material: ABS Fitment: Suitable for Trailer, Campervan, RV Package List： 1 x Vent Cap (2 Accessories) 6 x Screw