DuraVent DuraFlex SW 4" x 70' Stainless Steel Custom Length btu17100 91 (Indoor) standards

91 (Indoor) standards

32" H X 65" W X 19" D

Weight Capacity of Open Shelf 22 lbs

875" (L) Listings Standard UL-641

This is the MOTOR AND SQUIRREL CAGE ONLY and features ultra-quiet operation

DuraVent DuraFlex SW 4" x 70' Stainless Steel Custom Length btu17100 91 (Indoor) standardsDuraFlex SW is a smooth inner wall, flexible stainless steel chimney liner. The smooth inner wall provides for no output reduction allowing for full appliance efficiency. Smooth wall construction eliminates ridges that restrict flue gas flow and collect deposits. The lack of ridges facilitates cleaning and maintenance. DuraFlex SW is ideal for relining masonry chimney for wood and gas burning appliances. Listed to UL 1777. What's Included Length