Detailed Product Description model:YSWF74M4-470N-400/YDWF74M4-470N-400 voltage: 380V / 220Vfrenquency:50Hzair volume: 4,235m3/h/4,235m3/hspeed: 1,400RPM/1,400RPMinput power: 190W/195Wcurrent: 0.48A/0.88Anoise:69dBA/69dBAimpeller:5 impellersnet: 6kginsulater class: B (F is possible)------------------------------------------------------------------------------model:YSWF74M6-470N-400/YDWF74M6-470N- ...