... improves the air humidity, reduces dust, cleans the air. So it is called centrifugal mist fan.2. Work EnvironmentVoltage --- ... main voltage is unstable, please limited at the ±10% range on the nameplate.Ambient temperature --- -0 °C~ 50 °CHumidity --- ... Space, Hotels, Animal Farm.2. DedustingFarm, Mine Field and so on.3. HumidificationTextile Mills, Cotton Warehouses, Park, Greenhouse, Laboratory, ...