ULTRAFLOW High Output Rotary Van Roof Vent Wind Driven Rotating Spinning Ventilator Fan WHITE Camper Bus 4x4

White wind driven van roof vent ventilator High output air extraction for medium to large vans, superior cooling compared to smaller vents. High quality stainless precision bearings - 3 Year Warranty - Ultra Quiet Suitable for roof thicknesses from 1 - 20mm - Super Easy Installation, simply put the vent through the hole, attached the threaded base and tighten - Takes seconds to install Fully adjustable variable air flow in and out of the vehicle using adjustable internal shut off plate., Weight: 2.2156457331 Pounds, Manufacturer: FLOWROTOR