Twin Wall Insulated Flue Pipe Increasing Adapter T.W 175mm - T.W 200mm Black

Shieldmaster twin wall flue is CE approved for use in the UK, designation number EN:1856-1 T450 N1 D Vm L50050 G60. Twin Wall To Twin Wall Increaser - 7" (175mm) - 8" (200mm) -Black.

eBay