DuraVent DuraLiner 6" Wall Pass Through MD36260 they also frame the fireplace

they also frame the fireplace itself and enhance the overall style of the hearth

Flexes from 26 1/2" to 62 1/2"

SPU7540TGN7/L7:

75“ X 20

Manual Safety Pilot with Valve Vanisher

DuraVent DuraLiner 6" Wall Pass Through MD36260 they also frame the fireplaceDuraLiner ensures safe and efficient venting of heating appliances while protecting the masonry chimney from the damaging effects of flue gas. It is the only factory insulated product with zero zero clearance for high heat wood burning appliances. No need to uncoil flex, insulate a majority of the pipe, or protect the insulation when installing. A smooth inner means less creosote buildup. Installers reduce labor time by 50% or more with DuraLiner. No