... 9"10"11"12" including raincap ,locking band and tee,band The stainless steel chimney pipe is used ... in the stove and fireplace, It's the twist lock style. ... ,insulation can be wuper wool or ceramic fiber, and the thickness is 25mm nd 50mm. Its quality ... sale it Europe ,America ,Japan and other countries. We use the stainless steel , SUS316L and SUS304, ordinary , inner pipe ...