If you have ever been bothered by the smoke of your chimenea particularly on a windy day here is the answer for you the gardeco extension chimney is designed to fit over cast iron or steel chimeneas and the smoke will then rise above peoples head and not be a bother any more r r simply place the chimeny over the top neck of your chimenea the little fingers will keep it in position when you want to remove it simply lift it up fits from the gardeco range any large mexican chimeneas to