Let it flow with the Hike Crew 11" Manual RV Roof Vent Fan with Reversible Airflow Button. Don't stay in your RV with stuffy, unbreathable air. Install this RV ceiling fan and let the stale air out so fresh air can come in. Travel in your RV with friends and family knowing your air is circulating the way it should. This 12 volt RV fan airs out your RV removing odors and smells from the comfort of your vehicle. A must-have in RV accessories. Installation is a breeze. Place the RV vent fan in the RV sunroof opening, connect the wires, and let the ventilating begin. Press a button to change the airflow to suit your needs. In case of rain or other harsh weather, you can close the sunroof of the camper vent fan. Don't let anything in you don't want to. Even when the sunroof is open, the stainless-steel screen lets sunlight in while keeping bugs and other debris out. Those who like cooking, sleeping, and relaxing in their RV will definitely be a fan of this device!