DuraVent Round Type B Gas Vent Model BV 26" Large Diameter Tall Cone Flat Flashing not ready for QA This particular FlexDuct is 4"

This particular FlexDuct is 4" (100 mm) in diameter

Model DV-6DVL-AD

A flame sensor that constantly monitors the pilot flame

Used at flue of the fireplace

Choose from brushed stainless steel or eight standard color finish options

DuraVent Round Type B Gas Vent Model BV 26" Large Diameter Tall Cone Flat Flashing not ready for QA This particular FlexDuct is 4"Our non positional lock system on the Duravent BV Gas Vent is the best lock system on the market today. The incorporation of the DuraTab feature simply improves our lock system by adding flexibility and meeting market needs. The BV line of Duravent round vent pipe and fittings is designed for use on approved gas appliances in residential and light commercial and industrial applications. What's Included (1) Large Diameter Tall Cone Roof Flashing