DuraVent DuraFlex SW 6" x 80' Stainless Steel Custom Length h21.2 Item Number 22BVFF Series Round

Item Number 22BVFF Series Round Type B Gas Vent Model BV (3" - 30") Product Type Tall Cone Roof Flashing Size (Diameter) 22" A (I

Function 30-minute auto shut-off timer

Can be used on most round chimneys

019″ inner wall

DuraVent DuraFlex SW 6" x 80' Stainless Steel Custom Length h21.2 Item Number 22BVFF Series RoundDuraFlex 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