... air supply or extraction.It is widely used for the ventilation of kitchens, washrooms, cabins, meeting ... is also suitable for some proper places in land chemical and metallurgy departments.If series fans are equipped ... for marine use, it will be suitable for the places with 380V/220V, 50Hz or 440V/220V, 60Hz. (If some have YH series ... existentShock: existent CXL Small Centrifugal Fans for Marine Use