Airflow: 3CFM, Speed: 4200 5%PRM, Noise: 22 DBA. Part number: 50mm Fan 5V USB. Manufacturer reference: 50mm Fan 5V USB. Oil Bearings 5010 5V DC Blower Fan. Colour: 5010 5V USB. Bearing Type: Oil Bearing; Lead Wire: USB; Length: 1m / 39.37 in.
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