These are the white synthetic SMS (Spunbond Meltblown Spunbond) dustbags for the and the  and the Electrolux IQ225 and Nilfisk WD225 commercial wet and dry vacuum cleaner.

There are also a packet of 3 paper dustbags that may be used in these machines

They also suit

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!