Fed up with your fire smoking you out? Windkat is the most effective anti-downdraught chimney cowl on the market. By using unique injection nozzles it provides constant even draw in any flue to which it is fitted - whatever the weather. ....what’s more. as well as reliably solving your downdraught problems, the Windkat offers extra unique features to differentiate it from competitors: A chimney pot and cowl all in one Increase efficiency + reduce pollution (constant even draw makes for efficient burning) No moving parts to wear-out or jam (Windkat will not fail as it cannot wear-out and jam like spinning cowls) Comes in two practical configurations for attaching to the flat top of chimney stacks or directly into metal flue pipe.