The Helios ELF-ALB 250 M5 is a high-performance synthetic air filter designed to enhance air quality and protect ventilation systems. Made from synthetic filter fleece and mounted in a robust Fiberplast frame, this filter is tested to DIN EN ISO 16890 standards. Classified as ISO ePM2 60%/M5, it efficiently captures medium-sized particles, improving filtration and air circulation in both residential and commercial HVAC systems. Ideal for applications requiring consistent performance, the ELF-ALB 250 M5 ensures effective air purification and system longevity.