The Blauberg Iso-Mix Silenced Fan can be used for indoor cultivation or for any premises such as, bathrooms, kitchens or libraries, that require high pressure, powerful air flow and low noise level. At 40dBA when the fan is on high speed, this is the quietest 315MM fan available on market today! Specifications: Phase, [˜]: 1 Voltage, [V]: 230 Frequency, [Hz]: 50/60 Power, [W] (min): 213 Power, [W] (max): 313 Current, [A] (min): 0.93 Current, [A] (max): 1.41 Maximum air capacity, [m³/h] (min): 1510 Maximum air capacity, [m³/h] (max): 1920 RPM, [min-¹] (min): 2120 RPM, [min-¹] (max): 2620 Sound pressure level at 3 m distance, [dBA] (min): 36 Sound pressure level at 3 m distance, [dBA] (max): 40 Max. operating temperature, [°C]: 60 Ingress protection rating: IP X4 Dimensions: D1: 313MM B: 432MM H: 520MM L: 780M Weight: 25KG