1、Premium Material: The use of premium plastic material ensures that the RV duct vent cover is durable and long-lasting, providing reliable ventilation for a long time. 2、Effective Ventilation: The RV sewer vent cap is designed to provide effective ventilation inside the RV, ensuring fresh and comfortable air. 3、Wide Application: The RV roof vent cover set is suitable for all kinds of trailers, boats, RVs, and more. It's a convenient choice for campers and outdoor enthusiasts. 4、Easy installation: The RV plumbing vent cap comes with screws, making installation quick and hassle-free. No additional tools are required, saving time and effort. 5、Complete Package: The package includes 1pcs RV plumbing vent cap and 6pcs screws, providing everything needed for a seamless replacement of worn-out original vents. Item Name: RV Plumbing Vent Cap Main Material: Plastic Product Color: White Diameter: 13.4cm/5.28inch Height: 7.4cm/2.91inch 1 * RV Plumbing Vent Cap 6 * Screws