DuraVent DuraFlex 5.5"-6" Stainless Steel Reducer h12.75 Savings-features an energy conserving air/gas

Savings-features an energy conserving air/gas mixing chamber for efficient operation

It's durability makes it ideal for multi-family and commercial industrial applications

and Black Shadow Bronze

SPS4020TGN7/L7:

125" (L) Listings Standard UL-741

DuraVent DuraFlex 5.5"-6" Stainless Steel Reducer h12.75 Savings-features an energy conserving air/gasDuraFlex Pro DuraFlex Pro is the ultimate in flexible steel liners for strength and flexibility. It features 20% more stainless steel per foot compared to other liners on the market. Its extreme flexibility facilitates problem free installations where multiple offsets are needed. DuraFlex Pro is available in 3 through 12 diameters in lengths, kits and custom lengths. DuraFlex Pro is manufactured utilizing highly corrosion resistant 316 Stainless