DuraVent 4 to 3 Inch Diameter B-Vent Pipe Reducer

Maintaining a reliable connection is paramount when building a chimney system for your gas appliance or fireplace. The DuraVent Round B-Vent Reducer is a trusted method for reducing the diameter of your chimney pipe according to your venting needs. This double-wall reducer features the same solid construction as DuraVent's rigid pipe lengths and even minimizes the noises of expansion and contraction in the same way. The reliable DuraTab connections create an airtight seal without the need for screws.

WARNING: For more information go to www.P65Warnings.ca.gov.