Highquality productWallmounted exhaust fan, highquality metal body and blade design, stable operation, large air volume and low noise. The shell is sturdy, sturdy, corrosionresistant and not easily oxidized.Pure copper motorBuiltin powerful copper winding motor. The pure copper coil has strong airtightness, fast running speed, low noise, stable operation, and enough power to ensure that the fan blades flow out.Main parametersVoltage: 220V, Speed: 2800RPM.Dustproof designThe axial flow fan has a grille and a powdercoated steel wire safety shield, which can more safely prevent debris from being sucked into the fan and damaging the fan blades.Widely usedExhaust fans can be used for ventilation and heat dissipation in supermarkets, shopping malls, production workshops, oil exploration factories and warehouses.Voltage: 220VSpeed: 2800rminMotor power: 4 inch: 20WAir volume: 4 inch: 140 m3hPacking list:1 x Ventilating Extractor fan