1.high efficiency 2.high precision 3.wide application Specifications1.filter material:Glass Fiber ... of air compressesd station, especially for centrifugal, screw, vane air compressor.1.Cenment2.Metallurgy3.Power Station4.Food/Pharmaceutical 5.Aluminium ... with large filter area, small hole diameter, high efficiency, etc.2.The material for conver and frame is galvanised plate, with perfect ...