DuraVent DuraFlex SW 3" x 15' Stainless Steel Length h20.56 Meets NFPA 211 standards and

Meets NFPA 211 standards and NYSCMA Tek Spec 4

Damage to this vinyl cover or to any product covered by this vinyl cover is not subject to either product's warranty

OPT-161 24" 1/2” 2 Rings 190

5"H x 12"D Weight 26 lbs

Available in a hand-finished warm antique brass patina or an elegant polished nickel

DuraVent DuraFlex SW 3" x 15' Stainless Steel Length h20.56 Meets NFPA 211 standards andDuraFlex 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