The Elta 79-SQU50-PM1-55 is an F7-rated filter media panel designed for Qube SQU ventilation units, measuring 500mm by 500mm. It features a sturdy extruded aluminium frame that provides strength and corrosion resistance. The filter media complies with ISO 16890 standards, offering high-efficiency filtration of PM1 particles. This filter is ideal for applications demanding superior air quality control in commercial and industrial environments.