4 Inch x 6 Inch DirectVent Pro Co-Linear Kit w/ Flex

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  • High-quality DirectVent Pro Co-Linear Kit w/ Flex
  • On the Sizing Chart, you can see the size guidelines
Frequently bought together:


Product Specifications:

  • Material: Galvanized
  • Diameter: 4" x 6"
  • Product: Parts and Accessories
  • Use: Ducting and Venting
  • Style: Repair & Replacement

A typical venting uses Flex Kit as one of its components. For installation of a co-linear insert into a brick, use this kit. Two pieces of aluminum flex length—one red for exhaust and one green for intake—as well as a high-wind termination cap are included in this kit.


  • Use when installing a direct vent co-linear insert into a masonry chimney
  • Kit includes Choice of High-Wind Termination Cap and two pieces of Aluminum flex lengths - one Red (exhaust), and one Green (air intake)
  • Provides combustion air and exhaust venting for gas appliances
  • Clearance to combustibles mandated by appliance listing
  • The components twist-lock together for a quick, secure, fastener-free installation
  • 0.020" aluminum inner
  • 0.018" steel outer
  • Offsets venting obstructions

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Warranty Information

DuraVent, Inc. (“DuraVent”) provides this limited lifetime warranty for all of its products with the exception of Ventinox® (lifetime), and PolyPro® (ten years). Subject to the limitations set forth below, DuraVent warrants that its products will be free from defects in material or manufacturing, if properly installed, maintained and used.

DuraVent products are fully warranted if installed only by a professional installer. This Warranty is transferable from the original homeowner to the buyer of the home.

This warranty does not cover normal wear and tear, smoke damage or damage caused by chimney fires, acts of God, or any product that was:

(1) purchased other than from an authorized DuraVent dealer, retailer or distributor;

(2) modified or altered;

(3) improperly serviced, inspected or cleaned; or (4) subject to negligence or any use not in accordance with the installation instructions included with the product as determined by DuraVent.

This limited lifetime warranty applies only to parts manufactured by DuraVent.

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