-
4'' Oval to Round - 4" Diameter - B-Vent Gas Vent Chimney, Duravent - 4BVOAOR
Duravent$81.714'' Oval to Round Adapter - 4" Diameter - B-Vent Gas Vent Chimney, Duravent. Model OV is an oval Type B Gas Vent that provides the venting capacity equivalent to round Type B Gas Vent. Available in 4"- 6" diameters Aluminum inner liner Galvanized outer...