What is this black round thing on the roof of this transit company van? It was spinning fast. : r/whatisthisthing
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Low Profile Spinning Van Roof Vent Air Extractor Ventilator WHITE [AVTWHITEVENTLOW] - £39.99 : AVT Commercial Vehicle Lighting Products - Flashing Beacons, LED Lightbars Van Roof Vents, Commercial Vehicle Products
VAUXHALL Van Roof Vent Low Profile Rotary Ventilator for Bus Caravan 4x4 Black for sale online | eBay
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