1Plastic Material: Crafted from engineering grade ABS material, the RV vent fan is resistant to erosion, ultraviolet rays, aging, and yellowing, can withstand various outdoor environments and condition 2Roof Mounting: Adopts roof mounting design, easy to install with the included mounting screw, offering a secure and stable attachment to the RV, equipped with a mesh screen. 3Efficient Air Exchange: With a 200CFM exhaust air volume and two wind speed gear adjustment, our exhaust fan can quickly and effectively exchange indoor and outdoor air, promoting a fresh and comfortable environment. 4Enhanced Visibility: Our RV roof vent fan with lighting design provides added visibility for nighttime or low light situations inside your recreational vehicle. 5Versatile Application: Our exhaust fan is versatile and suitable for installation in bathrooms, kitchens, warehouses, lounges, and more, ideal for RVs, camping cars, hostels, yachts. Item Type: RVRoofVentFan Material: ABS Size: Approx. 168 x 217mm / 6.61 x 8.54in Installation Hole Size: Approx. 165mm / 6.5in(Extension hose can be a 165mm OD hose or PVC hose.) Fan Power: 6W Fan Speed: 5000 rpm Air Flow: 200CFM Wall Thickness for Installation: Approx. 10 - 86mm / 0.4- 3.4in (Can be adjusted by cutting PVC pipe) Power Connection: Red wire positive, black wire negative Mounting Method: Screw fixing, waterproof glue fixing Exposure Height/Width after Installation: Approx. 64mm / 2.5in, 217mm / 8.5in Application: Suitable for RV camper, yacht, bathroom, kitchen, warehouse, lounge can quickly exchange indoor and outdoor air to provide fresh air for the interior of your carriageInstallation steps: 1, Confirm the location of the hole, and do a good job of surface cleaning, open a 165mm circular hole in the panel 2, Open the cover on the surface of the exhaust fan, put the exhaust fan into the open hole and fixed with screws, connected to the power cord 3, Cover the lid and tighten the screws, and around the hole in the waterproof glue to complete the installation. 1 x Mushroom Head Exhaust Fan ( 2 accessories) 5 x Screws