Suitable for harsh environments, "220V Cooling Fan" This fan is particularly suitable for wet and dusty environments design and development, which is waterproof, dustproof meet IP55 protection grade parameters are standard; In addition, customers can meet different occasions water requirements, can be used in dusty environments. This fan has AC24V, 110V, 220V, 380V, dual voltage 110V / 220V, multi-speed (high speed H, the rotational speed M, low speed L, ultra-low speed LL, high air flow (X-FLOW), high temperature (HTR ), and electronic shielding (EMC) and other features for customers to choose.