DuraVent DirectVent 4 in. D X 12 in. L Galvanized Steel Exhaust Vent Pipe, Simpson Duravent, Mfr#: 46DVA-12B$66.89+
DuraVent DirectVent 4 in. D X 6-5/8 in. L Aluminum/Galvanized Steel Vent Pipe, Simpson Duravent, Mfr#: 46DVA-E90$67.39+
DuraVent DirectVent 4 in. D X 16 in. L Galvanized Steel Exhaust Vent Pipe, Simpson Duravent, Mfr#: 46DVA-16AB$57.99+
DuraVent DirectVent 6 in. D Galvanized Steel Adjustable Fireplace Roof Flashing, Simpson Duravent, Mfr#: 46DVA-F6$42.69+
DuraVent DirectVent 6-5/8 in. D 24 Ga. Galvanized Steel Storm Collar, Simpson Duravent, Mfr#: 46DVA-SC$12.99+