The Elta 79-SQU67-ISO is a G4-grade coarse filter media panel designed for use with Qube SQU ventilation units, measuring 670mm by 670mm. It is housed in a strong extruded aluminium frame that offers durability and corrosion resistance. The filter media complies with ISO 16890 standards, delivering dependable filtration performance for coarse particle removal. This filter is suitable for commercial and industrial ventilation applications requiring efficient air quality control.