Nilfisk-ALTO Attix Xtream 30 40 And 50 XC Vacuum Cleaner Container Clamp
Container clamp for the Nilfisk-ALTO ALTO Attix 30 Xtream Clean Vacuum Cleaner and the Nilfisk-ALTO Attix 40 Push2Clean Vacuum Cleaner and the Nilfisk-ALTO Attix 50 Xtream Clean Vacuum Cleaner wet and dry vacuum cleaners.
There are one each side of the motor head, and they clamp the head to the dust container. They have been slightly modified several times over the last 15 years.
You are buying a single clamp.
At the moment, delivery is capped at $20, so, maximise the saving on postage and buy some packets of dustbags, or a hose or a new floor tool, or some other accessories!