42cmx42cmx12cm RV Roof Vent Fan 12V 10 Spd Rain Sensor Camper Van Motorhome. Rain sensor Low power consumption High fan speed: up to 1200rpm Ten fan speeds selection Reversible airflow Built in insect mesh High quality PC material Fit 40cm x 40cm hole Easy Installation Back-up manual lift knot Remote controllable Note: Bonus remote control […]