Nilfisk 50mm chrome bent tube for the  and the and the  and the  and the  and the and the  and the three phase industrial vacuum cleaner and the  as well as many other Nilfisk industrial vacuum cleaners.

Pictured as part of a 50mm custom hose with non screw on fittings in the first picture.

In the second photo, with all the bent tubes, it's at the top of picture.

In the last photo, it shows how this may be used to make custom made hoses, although in this example it uses a 32mm bent tube.

At the moment, standard postage within Australia is capped at a maximum of $30 so maximise the saving on postage and buy some of the other related parts below!