NilfiskCFM industrial vacuum cleaner 300mm x 50mm bristle brush with it's neck at ZERO degree angle, for cleaning sticky dust, such as around powder coating etc. from vertical flat surfaces, such as walls, above the operators head.
For alternatives see Hard Floor Nozzles With Bristles
At the moment standard postage within Australia, is capped at a maximum of $35 so maximise the saving on postage and buy something in related items below!