Nilfisk formerly Electrolux Euroclean UZ964 Hipvac commercial backpack vacuum cleaners HEPA filter
Click here for: Nilfisk UZ964 Hipvac Exhaust Filter Set
According to EN 60335-2-69 The Terms "TYPE H" FILTRATION and HEPA FILTRATION are NOT INTERCHANGEABLE
The HEPA classification only considers the "efficiency of filtration" eg H10, H11, H12, H13, H14, U15 and U17 NOT the SUITABILITY FOR USE with HAZARDOUS or COMBUSTIBLE dusts.
As they're light, maximise the saving on postage and buy some of the related parts below, such as the filterbags and a new floor tool, or other accessory.
At the moment, standard postage within Australia is capped at a maximum of $20!