The ZEFIRO EVAP 500 460V 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, 3.5-HP, 765.2 CFM.nThe airborne dust is filtered by a Polyester Class L filter (32ft2). The filter can be easily cleaned by using the manual filter shaker cleaning system.nThe vacuumed material is collected inside a 26-gallon capacity roll-out container.