We offers exhaust fan. Model : turbo superior exhaust fan -metro - ex fn -o1 cetogory : heavy duty exhaust fan 1.300mm, 380mm, 450mm, 600mm,900mm sweep 2. Energy -efficient powerful motor 3. Heavy duty blades for higher air delivery 4.alluminium die - cast motor shell 5.double ball bearing facility for maintenance free - running 6.certificate : generally conferming to is: 996 only motor. 7.powder coated metallic finish.