| Specifications | Dimensions: 50 x 50 x 336mm Voltage: 800Vac+/-40v Speed (4speeds): OFF 0 r.p.m, LOW 1400 r.p.m ( 6.5 V ), MIDDLE 1800 r.p.m ( 8.5 V ), HIGH 2500 r.p.m ( 12 V ) Noise Level: 0 dB (OFF), 22 dB (LOW), 30 dB (MIDDLE), 38 dB (HIGH) Pressure: 2.0mmH2o Life Expectation: 30,000 hrs Bearing Type: Ball Bearing |
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