Nilfisk Bacuum Backpack Vacuum Cleaner Genuine HEPA Cartridge Filter Kit
Comprises of 2 filters; one for each side. Replace each year if you work in dusty commercial areas. You are paying for two filters.
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.
At the moment, standard postage within Australia is capped at a maximum of $20!