The Helios ELF-ALB 30/20 M5 is a high-efficiency synthetic air filter designed for use in HVAC systems. Constructed with durable synthetic filter fleece and a sturdy Fiberplast frame, this filter is tested in accordance with DIN EN ISO 16890 standards. Rated as ISO ePM10 70%/M5, it effectively captures larger airborne particles such as dust and pollen, helping to maintain cleaner indoor air and protect system components. The ELF-ALB 30/20 M5 provides reliable performance for both residential and commercial ventilation applications, ensuring consistent air quality and system efficiency.