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 the inside diameter.