All Imports HEPA Air Purification Filters are designed to be fitted to an Air Scrubber, to ensure high standards of air quality and prevent any possible contamination from occurring. HEPA filters are composed mainly of a mat of randomly arranged fibres. The fibres are typically made from fibreglass and are as small as 0.5-2.0 micrometres.
Key factors affecting its functions are fibre diameter, filter thickness, and face velocity. It is recommended that HEPA filters are serviced and changed at least every six months in a commercial environment.