备注： 1.Compact body, space saving. 2.All-metal housing, advanced fire resistance, simple installation and easy cleaning. 3.Optimized fan wheel with large air volume and low noise; compact construction, obtaining stable and even air curtain. 4.Applied rigid fibreglass plastic fan wheel and also quality aluminum alloy fan wheel which is specially suitable for the environment with heavy oily smoke. 5.Reliable designed motor operates 5000 hours continuously without any defects.
