A wood heater cowl placed on top of the flue (outside allows smoke to escape and keep rain out. This anti-down-draft cowl is designed for best wind resistance. Combination of stainless steel and galvanised steel. Measurements : Inner Flue : 6" (150mm ) / Outer Flue : 10.25" (260mm) / Height : 203mm / Width : 292mm / Height Wind Rim Panel : 90mm . Also available in fully stainless steel & a range of sizes from 4" to 10"- please contact us for pricing.Delivery Time : Please allow 2-3 weeks for this item to be processed and dispatched from our warehouse. Once your order has been dispatched the tracking details shall be forwarded to you.