Part Number: 3DFS-MS
eFireplaceStore Item Number: CPF-105032
Made from ultra rugged 26 gauge galvanized steel, Dura-Vent has produced another phenomenal component with this 3 Inch Diameter Mortar Sleeve for DuraFlex. Its actual diameter is 1-inch larger than nominal diameter. This component measures 6 inches in length. It's a phenomenal way to protect the liner in a gas installation when the liner passes through a masonry chimney. For a safe, durable venting solution that will last you for years to come, you can't go wrong with DuraFlex.