■ Apply to the three phase working condition which requires working continuously ■ Apply to the superfine dust cleaning « I ■ Apply to the concrete floor grinding&polishing industry, shot b ® HEPA filter unit ■ Adopts "TORAY" cartridge filter which imported from Japan . This cartridge filter coated with PTFE film can ensure the filter effic iency up to 99% at 0.3 n m dust,and the surface is very smooth after coated,can avoid the dust attach on the filter effectively ® Auto cleaning device • VFG-55K adopts auto cleaning structure for the filter cartridge, it can clean the dust of the filter cartridge effectively through the comp Industrial Vacuum Cleaner Industrial Vacuum Cleaner STRUCTURE DIAGRAM HEPA filter cartridge ©Air inlet collection device Stainless stee Electric cabinet Turbine motor TECHNICAL PARAMETERS