Viledon / Automatic roll-type coarse dust filter that prevents re-scattering and saves space. Inquire About This Product Inquire About This Product Type VMR Grade Pre-filter Application Area Buildings Factories Automotive Industry Data Center Semiconductor, Electronics Factories Food, Beverage Factories Logistics Center, Warehouses Hospitals, Pharmaceutical Train Stations, Subway Facilities Museums Category housing Key Features Reduced maintenance with automatic winding mechanism: Used filter media is automatically wound up and replaced with new media by a drive unit. Anti-dust re-scattering design: Adhesive-coated Air filter FR-585 prevents dust from re-scattering during replacement. Space-saving design: Large effective ventilation area enables efficient dust collection even in limited installation spaces.