8" ID x 48" installed length chimney section.
High temperature UL listed and tested to withstand flue gas temperatures of 2100 degees 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.