Nilfisk DV1100 InvisiVac domestic backpack vacuum cleaner HEPA H13 cartridge filter.
IT'S NOW OBSOLETE AND NOT AVAILABLE, SO USE THIS GENUINE NILFISK PART 22356800
It's situated underneath the dustbag and fits similar products of other brands, who re-brand this Australian Made Origin backpack vacuum cleaners as their own. Eg, Pullman, Cleanstar and Nilfisk-Alto
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, U17, NOT the SUITABILITY FOR USE with HAZARDOUS or COMBUSTIBLE dusts.