Part Number: 55DFS-MS
eFireplaceStore Item Number: CPF-21005
Duraflex SS is designed to provide the ultimate venting solution for your wood-burning, wood pellet, and non-condensing gas, coal, and oil appliances. Your fireplace insert, furnace, boiler, or water heater will be vented safely and effectively with DuraFlex. This Zero Clearance Insulation Sleeve provides you with 0" clearance to masonry for gas, and 1" clearance to masonry for pellet and oil applications. Insulation is required for 0" clearance to masonry. This item is designed for Duraflex UltraPro 5.5" chimney liner pipe.