DuraVent DuraFlex SW 4" x 160' Stainless Steel Custom Length w52 Door opening – dimension (Height)

Door opening – dimension (Height) 12 3/4"

Model PENTA18FPPK-FLEX Dimensions L-18" x W-18" Max BTU 65

Color: Pacific Blue

The removable heat dissipation mesh makes the clean-up and maintenance easier

add-on feature (on/off switch) is sold separately

DuraVent DuraFlex SW 4" x 160' Stainless Steel Custom Length w52 Door opening – dimension (Height)DuraFlex 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