Part Number: 5DFS-MS
eFireplaceStore Item Number: CPF-21004
This part is designed to be used with the DuraFlex UltraPro 5" chimney lining system and has a 6" diameter. The mortar sleeve is used to create a round passageway through a masonry chimney that will accommodate the appropriate size of chimney liner pipe when making a connection to a heating appliance. This same part is also in sizes of 4", 5", 5.5", 6" and 8" to fit the other sizes available of DuraFlex UltraPro liner pipe.