NilfiskCFM industrial vacuum cleaner 50mm x 100mm bristle round brush for general cleaning of machinary and irregular surfaces. Usually supplied in the NilfiskCFM127 and the NilfiskCFM137 and the NilfiskCFM S2 and the NilfiskCFM S3 and the NilfiskCFM T22 vacuum cleaners 50mm hose kit.
Replacement bristles are available PN. 8-23006 as in the second photo.
At the moment standard postage within Australia is capped at a maximum of $20! So, maximise the saving on postage and buy some of the related parts below, such as other accessories, or some dustbags and filters.