DuraVent FasNSeal Flex 12" x 165' Stainless Steel Custom Flex Length w60.5 *Note: System 4 Burner kits

*Note: System 4 Burner kits require a minimum of 16" of depth

Size (Diameter) 21" Fuel Type

Min/Max Propane Inlet Pressure: 7"/13

anchoring the design of any space

Use for standard and high-wind through-the-wall terminations

DuraVent FasNSeal Flex 12" x 165' Stainless Steel Custom Flex Length w60.5 *Note: System 4 Burner kitsMade from super ferritic stainless steel. Corrosion resistant. Manufactured with a sure seal locking seam for superior strength and flexibility. The smooth inner wall provides for no output reduction, allowing for full appliance efficiency, ease of cleaning and regular maintenance. The smooth inner wall optimizes gas flow, minimizes back pressure, and facilitates condensate management. Only flexible chimney liner listed to UL 1738 standard. What's