vacuum cleaner packet of four, improved, white, synthetic SMS (Spunbond Meltblown Spunbond) disposable dustbags. The package also contains a replacement pre-filter, that fits behind the dustbag.
As of Spring 2014, Nilfisk directed us to use Part Number
Or really save by buying the paper bag part number as it's available for only $5 a pack for a limited time!!
The main HEPA filter Pn. is located underneath the machine, in the compartment between the wheels. It's also obsolete and unavailable.
At the moment, standard postage is capped at a maximum of $25 within Australia, so maximise the saving on postage and buy something in the related parts below!