Use with the cowls listed below where the flue outlet internal diameter is 150mm. The Colt Cowl Adaptor Plate seals the gap on the underside of the cowl, when it is being fitted to a smaller diameter pot or flue.
The Colt Cowl Adaptor Plate can be used with the following chimney cowls:-
Colt Top All Purpose
Colt Top 2
High Top Birdguard