Viledon / Zigzag structure roll-type filter with 1.7 times airflow and space-saving design. Inquire About This Product Inquire About This Product Type VHR 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 High airflow capacity: Zigzag structure allows processing approximately 1.7 times more airflow than VMR in the same installation width. Anti-dust re-scattering design: Adhesive-coated Air filter FR-585 prevents dust from re-scattering during replacement. Space-saving and long-life design: High dust holding capacity reduces replacement frequency, enabling economical and space-efficient operation.