DuraVent DuraFlex Pro 5.5" x 40' Stainless Steel Custom Length w94.1 5"x 16"x 31"(L x W

5"x 16"x 31"(L x W x H) / 14"x 13"x 8" (L x W x H (Each Level ) / 14"x 13"x 11

5/8" square bar on the diamond

but it is not absolutely necessary

The gold coated emitter delivers a hotter

DuraVent DuraFlex Pro 5.5" x 40' Stainless Steel Custom Length w94.1 5"x 16"x 31"(L x WDuraFlex 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