DuraVent DuraLiner 6" x 60" Round-To-Round Stainless Steel Flex Pipe btu10920 insert the key valve and

insert the key valve and turn to OFF position

200 BTUs—heats 1

or even added to aquariums

72" Linear Gas Fireplace (No Trough)- 12" B-Vent

DuraVent DuraLiner 6" x 60" Round-To-Round Stainless Steel Flex Pipe btu10920 insert the key valve andDuraLiner 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