4 in. x 30 ft. Aluminized Steel, Dura Flex Pre-Cut Light Liner
Features

Specifications
  • DuraLiner ensures safe and efficient venting of heating appliances
  • Protecting the masonry chimney from the damaging effects of flue gas
  • It is the only factory-insulated product with zero to zero clearance for high heat wood-burning
  • A smooth inner means less creosote buildup
  • Installers reduce labor time by 50% or more with DuraLiner