Box of 10 HEPAFLO white synthetic dustbags for the Charles by Numatic commercial wet and dry vacuum cleaner.
Note. I've used the Henry bags for illustration.
At the moment, standard postage within Australia is capped at a maximum of $20! Maximise the saving on postage and buy some of the related parts below, such as a new hose, and a new filter or a new floor tool or round brush.