The Helios ELF-ALB 40/20 F7 is a premium synthetic air filter engineered for fine particle filtration in ventilation systems. It features a fully synthetic filter fleece and a robust Fiberplast frame, ensuring durability and effective performance. Compliant with DIN EN ISO 16890 standards, this filter is rated ISO ePM1 50%/F7, making it ideal for capturing fine airborne contaminants. Suitable for residential, commercial, and industrial environments, the ELF-ALB 40/20 F7 enhances air quality while protecting HVAC components from particulate buildup.