机身装有吸音材料，大幅度降低噪音；双向吸入型千叶涡轮扇叶设计，***大风量；安装方向随意自如，施工简易；配有施工性优越的五金配件，施工容易型号颜色功率[W]风量[m3/h]噪音[dB]静压[Pa]净重[kg]安装孔尺寸[mm]FV-12NL3CWhite9/7.5100/8018/1680/505.3290*291FV-12NS3CWhite18/17180/14521/17115/1005.5290*291FV-15NS3CWhite36/32370/30027/24132/1206.5290*302FV-18NS3CWhite60/55500/40529/27180/1708.5316*338FV-18NF3CWhite91/80770/62031/29205/19010.0376*397FV-20NS3CWhite120/113920/72032/29295/25014.0416*441FV-23NL3CWhite230/1701200/90040/34385/33518.0468*469FV-25NS3CWhite345/2651700/138041/38485/44024.0494*505FV-25NF3CWhite390/3251900/160041/38485/44024.0494*505)