Kevin Rayner wrote:

Having got home I have had the chance to measure it. A uk pipe is 110mm, the
internal diameter of the coupling is 114mm, so assume the larger pipe is
114mm diameter. Would a flexi coupling fit over that.


Go he
http://bes.ltd.uk/

And put: 11230 in the search box. Look around 2/3rds of the way down
the results page. That's the item you want.


--
Grunff