TECHNICAL DATA: Fan Speed: 500-5000 rpm, Airflow: 40 cfm | 67.96 m³/h, Noise level: 0.6 sone, Static pressure: 5.3 mmH₂O, Pin: 4-pin. NMB DOUBLE BALL BEARING: Long service life and high performance. Fans with sleeve bearings do not have the physically induced bearing noise.
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