DuraVent DuraFlex Pro 7" x 40' Stainless Steel Custom Length 61.25in 20' of 6" Round Duct

20' of 6" Round Duct

Exclusive Flame Set

If the unit is an insert it will be located on either sides that open

Length 18" Inner Diameter

Model 3321MT Warranty

DuraVent DuraFlex Pro 7" x 40' Stainless Steel Custom Length 61.25in 20' of 6" Round DuctDuraFlex 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