Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified Technician will evaluate your pipe installation project and give you a customized quote. Whether it is one piece or a larger project we can help. Call or e-mail us today!

DuraVent 4" DuraFlex Pro 20' Stainless Steel Length - 4DFPRO-20

Custom lengths also available for 3"-8" diameters. 9"-12" diameters available in custom lengths only (Use Ventinox components). Minimum length of 10' for custom orders. Maximum 200' for 3"-4" diameters, 125' for 5" diameter, 100' for 5.5"-6", 50' for 7"-8", 25' for 10" and 12" diameters. Must be ordered in increments of 10'. 3"-8" diameter flex can be ovalized up to the first 4'. Call Customer Service to add ovalizing to your order and for pricing.

DuraFlex Pro is the ultimate in flexible steel liners for strength and flexibility. It features 20 percent 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.

We strive to ship within 5-7 business days, but in-season delivery can take up to 2 weeks or more. If you have any questions or concerns about delivery, please e-mail us at: info@woodstovepro.com

Please note: This item is considered special order and we do not accept returns on this product.

Click to see the DuraVent DuraFlex Catalog

California residents please click on the link for information on Proposition 65 BEFORE purchasing.

Tags: 4DFPRO20 Dura Vent DuraFlex 4 - Chimney Pipe / Venting Pipe