The Vent-Axia ACM 125T MIXED FLOW FAN ERP VERSION is an energy efficient Mixed Flow In-Line fan, quieter than any other product on the market. ACM is now in a range of six products in the range which have been designed for use with rigid and flexible ducting. In Line Mixed Flow fans offer two and half times the pressure of conventional axial fans, are dimensionally more compact making them ideal for many ducted applications. The impeller blade design with guide vanes provides optimum pressure characteristics and simple connectivity and quieter more efficient running provides the complete solution. The ACM Mixed Flow In-Line fan can operate in both horizontal and vertical positions and can be mounted to meet its optimum performance. Technical Specifications Length: 259mm Colour: White Voltage: 220-240 IP Rating: IP44 Diameter: 178mm Power Consumption: 30 Noise Level: 25 Pull Cord: Yes Hole size: 120+153.5 Number Of Speeds: 3 Maximum Input Current: 1.5 Features: Three speed motor Removable motor core assembly Rotating motor chassis assembly IP44 rated Aesthetically pleasing with wipe clean polymer casing Sound data from independent testing Running speed selected on installation