DuraVent FasNSeal Flex 4" PolyPro Rigid to FasNSeal Flex Adapter d180 Made of a sturdy steel

Made of a sturdy steel frame with a rustproof finish

Replacement Flame Screen for 30" Built-In Electric Fireplace

0935 inch) Air Shutter Opening 3/16" Gas Inlet Shut-Off Valve (Pipe) 1/2" NPT Gas Supply Pressures (inches water column) Maximum 14 Minimum 4

Product Weight (lb) 73

Model 052024 Flue Size 20" x 24" Size Width: 18" - 20

DuraVent FasNSeal Flex 4" PolyPro Rigid to FasNSeal Flex Adapter d180 Made of a sturdy steelMade 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