The ACi 4400 with GreenTech EC technology achieves an air flow of 180 m³/h and a maximum pressure of 74.7 Pa with operating noise of 42 dB(A) and a power consumption of just 4.4 W (65% efficiency of drive motor). It is available off the shelf in a range of speeds versions. The service life is more than 62,500 hours (at 40 °C). Strands or flat plugs that can be configured as necessary and a weight of 250 g makes it suitable for many different applications. Approvals in accordance with VDE 0850, UL, CSA and CCC standards have been obtained. The operating temperature of the fan ranges from -20 to +75 °C. The input voltage of the 230 V (50/60 Hz) version is 195 - 265 V, while the 115 V (50/60 Hz) version operates between 85 and 132 V.