10 inch 90° bend galvanised ducting with a flange at one end. This is actually made up of two separate pieces bolted together. It has a round hole cut out also.
Flanges can be bolted together. Made of galvanised steel and used to connect ductwork. Common to chemical, pharmaceutical, food and beverage industrial to name a few. This came from a mill in Bristol and is from 1950's - can be used for any decade thereafter.W31 x D124 x H124cm.