Nilfisk BV1100 backpack commercial vacuum cleaner brown paper dustbags 10 pack, with a black plastic ring to locate this bag inside the fabric main filter bag.
Also suitable for Origin, Pullman AS10 and Hako backpack vacuum cleaners
Using these enables the vacuum to be kept cleaner. Simply empty out the cloth bag complete with the paper bag in place, after each use, just like emptying a litter bin, then put both parts back into the machine. Then each packet will last for ages!
At the moment, standard postage within Australia is capped at a maximum of $20!