Clarke 6911355 6 Single Twin Wall Adaptor
6" Single / Twin Wall Adaptor - Connects 6" single wall flue pipe to a 6" twin wall flexible chimney liner. Use to connect Clarke vitreous enamel flue pipe to Clarke flexible chimney liner. Not suitable for connecting Clarke stainless steel twin wall flue pipe to the Clarke twin wall flexible chimney liner. A 5" adaptor is also available.