NilfiskCFM 3707/10 3 Phase Industrial Vacuum Cleaner Class H Absolute Cartridge Filter
NilfiskCFM 3707/10 industrial vacuum cleaner downstream Class H Absolute filtration, cartridge filter, also fits 3707 and 3907.
You'll see in the green picture, where I've used the 3508 as an example, the downstream absolute filter is the smaller cylinder on the left of the photo.
I HAVE ONLY ONE AT THIS PRICE
At the moment, as Australian standard postage is capped at a maximum of $20, maximise the saving on postage and buy some of the related parts below, such as dustbags and a new hose, or a new floor tool and some other accessory!