Motorhome Mushroom Vent Cap 155mm Round RV Roof Cover with Mesh Screen for Plumbing Features： 1、Plastic Material: Crafted from engineering grade ABS material, the RV vent cover is resistant to erosion, ultraviolet rays, aging, and yellowing, can withstand various outdoor environments and condition 2、Roof Mounting: Adopts roof mounting design, easy to install with the included mounting screw, offering a secure and stable attachment to the RV, ensuring that it stays in place during travel and windy conditions. 3、Efficient Air Circulation: RV vents cap can quickly exchange indoor and outdoor air, providing fresh air to the inside of your car, and are ideal for installation in places such as bathrooms, kitchens, warehouses and lounges 4、Mesh Screen: Equipped with a mesh screen on the vent cover, which provides an added layer of protection against debris, and other unwanted elements from entering the ventilation system. 5、Versatile Application: Suitable for marine boats, yachts, RVs, trailers, motorhomes, and more, the RV vent cover offers a wide range of applications. Specification： Item Type: RV Roof Vent Cover Material: ABS Size: Approx. 104x155mm / 4.09x6.10in Mounting Hole Size: Approx. 118mm / 4.65in Application: Suitable for RVs, campers, motorhomes, yachts, bathrooms, kitchens, warehouses, lounges. Quickly exchange indoor and outdoor air to provide fresh air inside your vehicle. Installation Steps: 1. Confirm the location for the opening and clean the surface. Cut a round hole of φ118mm on the panel. 2. Insert the vent into the hole and apply waterproof glue around the vent. 3. Secure the vent with screws to complete the installation. Package List： 1 x RV?Roof?Vent?Cover?? 5 x Screws