DuraVent DuraFlex Pro 3" x 10' Stainless Steel Custom Length btu210000 Comes with a DOE certification

Comes with a DOE certification to save energy

or in an air conditioned office

Model SE009 Voltage 120/24V - 40VA

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DuraVent DuraFlex Pro 3" x 10' Stainless Steel Custom Length btu210000 Comes with a DOE certificationDuraFlex 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 Steel. Listed to