Isomax Acoustic Fans The CAN Iso-Max fans are the Air Force II Acoustic Fans with new branding, as ever the fans incorporate high-quality,high-air movement Etaline fan motors into sealed acoustic cases. They can move very large amounts of air quietly and are much better at pulling air through carbon filters than standard fans. As well as being surprisingly lightweight for fans of this size and quality,the Iso-Max fans also use low-energy motors so they don't require as much electricity but still maintain high levels of torque to handle carbon filters. The CAN Iso-Max is available in a variety of sizes: 150mm/6 Inch with a three-speed controller drawing 330, 380 or 430m³ of air per hour 200mm/8 Inch with a three-speed controller drawing 580, 800 or 900m³ of air per hour  250mm/10 inch low-power version drawing 1500m³ of air per hour  250mm/10 inch high-power version drawing 2400m³ of air per hour  315mm/12 inch low-power version drawing 2400m³ of air per hour  315mm/12 inch high-power version drawing 3300m³ of air per hour

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