Check the listing for details. Anti Downdraft CHIMNEY SPINNER CAP, Spinning, Rotating, Fixes wind "puff backs". Condition: New. Listed at 159.90 USD. 3.94''/100mm; 4.92''/125mm; 5.12''/130mm; 5.9''/150mm; 7.08''/180mm; 7.87''/200mm; 9.05''/230mm; 9.84''/250mm; 11.81''/300mm; 13.78''/350mm This chimney cap is designed to be mounted over your existing chimney pipe! When you receive your order, you will find enclosed special instructions on how to attach your chimney cowl. If you need a cowl in different size, please, contact us. The Spinner cowl is a chimney cowl which uses the wind’s force to improve chimney draught. The “turbine” always rotates in the same direction, independent of the strength or the direction of the wind. The Spinning cowl arranges an ideal combustion and and furthermore it protects the chimney from outside influences like rain or snow. Suitable for use with coal, wood, gas, oil and smokeless fuels. Stainless steel construction-stainless steel AISI430, material thickness 0,4mm. Comes with a durable ball bearing base. Highly effective at preventing downdraught and increasing ventilation. Suitable for all fuel types. Has a CE certificate. Should be mounted at least 20 feet away from the combustion chamber. This chimney cowl is proudly made in EU. Shipping takes: 10-22 business days to USA/Canada You will receive your tracking number upon dispatch!