The ZEFIRO 75 H Z22 460V is an ATEX Z22 industrial vacuum Certified for Combustible Dusts with maintenance-free motor suitable for 24/7 continuous use (460V 60Hz 4.5HP).nThis model is an all-purpose vacuum cleaner with detachable 26-gallon bin and the possibility to use disposable bags.nThe main filter is a large PTFE filter surface with an integrated filter cleaning system.nThe model is upgraded with H14 HEPA filter.