PV-FC series are the most advanced heavy industrial vacuum cleaners in China, developed by the introduction of U.S. technology, equipped with an automatic filter cleaning device which can vacuum dust timely and improve vacuum efficiency. This series is specially designed for industrial places which need a high vacuum environment and vacuum continuously. The six models feature a 380V, 4 to 20KW, and 26 to 35 Kpa. Standard accessories include an aluminum connection nozzle.