Secondhand internal RSJ high cleaning wooden brush, I have only the one.
For cleaning the accumulated dust away from the inside of overhead RSJs. These are for cleaning overhead girders with the aid of light aluminium vacuum wands, to prevent the build up of dusts for factory hygiene and good house keeping to prevent fresh product contamination and reduce fire risk.
They used to also be available in 38mm. Contact Us for further details and availability.
Maximise the saving on postage and buy some of the other related parts below, such as some packs of dustbags, the filters a new hose or a new floor tool or other nozzles and accessory for your industrial vacuum cleaner.
At the moment standard postage is capped at a maximum of $20 within Australia