[EN 13141-7:2021, 3.8]:minimum air volume flow of the unit declared at the reference pressure declaredNote 1 to entry: If the supply and exhaust air volume flows are different, then the minimum air volume flow is equal to the higher of … Continue reading →

[EN 13141-7:2021, 3.5]:measured air volume flow corresponding to the maximum achievable fan curve setting of the unit, at 0 Pa unit static pressure. [SOURCE: EN 13141-4:2021, 3.4]

[ASHRAE Standard 62.1]:a device or combination of devices applied to reduce the concentration of airborne contaminants such as microorganisms, dusts, fumes, respirable particles, other particulate matter, gases, vapours, or any combination thereof.