Nilfisk Select Superior domestic vacuum cleaner and Power Allergyvac P20 and P40 vacuum cleaner self-closing white synthetic dustbags in a packet of four, complete with a pre-filter. Formerly Part Number 147-0416-500
The new synthetic bags have a greater capacity, are stronger, have better filtration and all round more efficient.
As they're light, maximise the saving on postage and buy some of the related parts below, such as the filters or a new floor tool or a hose.
At the moment standard postage is capped at a maximum of $20 within Australia.