DuraVent FasNSeal Flex 4" x 140' Stainless Steel Custom Flex Length w50.38 42” x 10” 42” x

42” x 10” 42” x 10” Fuel Type: Liquid Propane Liquid Propane Liquid Propane Weight: 435 lbs 435 lbs 435 lbs Maximum Heat Output: 65

8% (LHV) Optimum overall efficiency  72% Optimum heat transfer efficiency 68 % Average particulate emissions rate 0

For use with Empire High Efficiency PVS18 and PVS35 Ultra Saver90 Plus Heating Systems

Back-up control system ensures reliable use

DuraVent FasNSeal Flex 4" x 140' Stainless Steel Custom Flex Length w50.38 42” x 10” 42” xMade 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