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DuraVent Type B Vent

6" to 7" Type B Gas Vent Diameter Increaser - 6GVX7

Item: COP68683
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In Stock

  • For Category 1 gas appliances
  • 1" clearance to combustibles
  • Easy-fit, twist-lock design with no fitting hassles
  • 0.012" aluminum inner
  • 0.018" galvanized outer

This vent increaser is used to increase the diameter of a vent.

WARNING: Carcinogens: This product can expose you to chemicals including Lead, which is [are] known to the State of California to cause cancer. For more information go to

Limited Lifetime Warranty