NilfiskCFM 100 litre 460mm container diameter ring for ease of emptying by forklift. It's just the lower part that goes around the container, not the actual bracket SKU that's suspended from the tines.
Find the 560mm version
As freight on this item is FREE!! maximise the saving on postage and buy some of the other related parts below, such as dustbags the filters a new hose or a new floor tool or other nozzles and accessory for your industrial vacuum cleaner.