Chimney Lengths 6 x 4-8 in.Slim, advanced design allows for installation between 16" centers and still provides 2" clearance from combustible material. Secure twist lock design couples chimney sections together with just a 1 8 turn. Locking bands secure joints. Includes locking band. 5" 8" sections overlap by 1 1 8", 10" 14" sections overlap by 1 1 4". Chimneys are sized according to the inner diameter and are available in 5" through 14". The outside diameter is 2" larger than
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