Low level Discharge Flue Terminal

[WHPES]

I know its a bit of a long shot but does anyone have a low level discharge terminal for a 100mm round flue pipe? The builders have damaged one and I can't seem to find anywhere to buy a replacement other than buying an entire flue kit!

 

[lame plumber]

need a mate whos popped in a plume diverter recently if I'm thinking right

 

[WHPES]

Its for a conventional flue system.