8" ID x 6" installed length chimney section.
High temperature UL listed and tested to withstand flue gas temperatures of 2100 ? F. 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. Sectional overlap of 1 1/8”. Chimneys are sized according to the inner diameter. Insulated chimney requires 2” clearance to combustible material.