8" Stainless steel chimney currently shipped with E-Classic models (except E-CL 1450). Shipped with E-CL 1400 since s/n E100299 and E-CL 2300 since s/n E17856. Compatible with Chimney Extension (p/n 6500002). If connecting to Chimney Extension (p/n 6500002), use 8" Chimney Band Clamp Kit (p/n 4518) at the joints, not Chimney Locking Band (p/n 10509). For outdoor applications only. Not to be used for venting of indoor heating appliances.