... assembly 2.Convenient for upgrading 3.Easy for maintenance 4.Low cost 5.16 years manufacturing and design Features: 1 ... for air inlets and outlets, abrasion-resistant air inlet 4.Back-blowing by compressing air, the most efficient filter ... after all the cylinders go through dust removing cycling.Applicable Scope: Chemistry industry, pharmaceutical industry, food processing, glass, quartz, ceramic ...