Vortex Filter Units


These Fan Filter Unit housings have the same specifications as per Dual Stage Fan Filter Units but with an added filtration stage of Vortex filters to the inlet of the filter unit. The Vortex filters eliminate large particles of dust and stones from the inlet air and acts as a ‘pre-filter’ to lighten the dust load on the primary and secondary filter banks. These Vortex filters are especially useful on areas where there is high dust load.  Activated Carbon Filters and HEPA filters can still be added to the filter system if required.


Each unit consists of:

  • Vortex Filters

  • Washable Primary Panel Filters (ASHRAE efficiency >20%),

  • Secondary Synthetic Pocket Filters (ASHRAE efficiency 95%)

  • Activated Carbon Filters (if required)

  • HEPA Filters (if required)