Nilfisk Extreme X100 and Nilfisk Extreme X150 and Nilfisk Extream X200 and Nilfisk Extreme X300 domestic vacuum cleaner H14 Filter.
It goes in the chamber underneath the Nilfisk Extreme, between the rear wheels. It needs to be replaced after about 2 years in domestic situations, or more frequently if used where there is fine dust.
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.
As it's light, maximise the saving on postage and buy some of the related parts below, such as dustbags and the filters or a new floor tool.
At the moment standard postage within Australia, is capped at a maximum of $20!