Dayton 1/6 HP 14"-Dia. Direct Drive Axial Exhaust Ventilator, 115V, 1140 RPM: Amazon.com: Industrial & Scientific
G-JET 300 :: Hsc39
Order ventilator all balls of ML Motorcycle Parts, article number 701017 at PartsRepublik.com
Stainless Steel Rotating Chimney Cowl Cap Spinner Anti-downdraught 300/400 mm Pipefit Roof Ventilating Fan Without Power silent - AliExpress Home Improvement
ebm-papst axial fans
AxiBlade axial fans for ventilation and air conditioning technology
Dynair CC SHT High efficiency duct axial fans F300/120 - F400 - Dynair.hu