DuraVent FasNSeal 4 Inch Inner Diameter Double Wall Vent Length - 12 Inch

If you're looking for quality high-efficiency venting, look no further than the DuraVent FasNSeal 4 Inch Inner Diameter Double Wall Vent Length - 12 Inch. With a 4 inch inner diameter and 5-inch outer diameter, this double-walled venting length is designed for venting special gas-burning Categories II, III, and IV appliances. So if you're looking to add a little more length, you can trust this quality product from DuraVent.

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