Check the listing for details. Small low profile rotary van roof vent ventilator van bus caravan plastic White. Color: White, Condition: New, Made in Netherlands. Listed at 122.68 USD. This smaller low profile wind-powered rotary roof ventilator for vans provides ventilation for vans, buses, dog vans, horse boxes, ambulances, 4x4s, boats etc. This small van roof vent has been designed to protrude a maximum of 59.5mm above the vehicle's roof and low enough to fit under most roof mounted carrying racks, the 8 vaned air scoop rotates freely while the vehicle is in motion drawing out stale air. This rotary van roof vent is the perfect solution for ventilating your van. Larger items are sent FREE via secure next-day courier. Delivery of some larger items to areas such as Scottish Highlands and Islands, Northern Ireland, Isle of Man, Isles of Scilly and Channel Islands may require additional postage. Please contact us for details. Delivering great service is very important to.