A static anti-downdraught cowl tested to BS715:1993 and against BSEN 1856 pt2 and hence suitable for all fuel types including gas. Key Features Fully assembled – ready to fit – with birdguard. Fits flue sizes 125-250mm internal diameter and is suitable for flue temperatures up to 200°C. Manufactured from 1.6mm test house approved aluminium. Available with stainless steel bolt or strap fixings