The ZEFIRO EV AP 560 K4 Z22 is a powerful industrial dust collector generating high airflow for the recovery and filtration of light and fine suspended particles of dust.n ATEX Certified and rated for Zone 22, this vacuum features 460V 60Hz, 6.4-HP, 2369 CFM.nThe airborne dust is filtered by a Polyester, Antistatic Class M filter (54 ft2). The filter can be easily cleaned by using the manual filter shaker cleaning system. An additional level of filtration and safety is provided by the HEPA H14 filter (99.995% efficiency).nThe vacuumed material is collected inside a 26-gallon capacity roll-out container.