Vent Hole Size : 4 In Material Gauge : 28 Material : Galvanized Steel Dimensions : 7-5/8 In OD X 7-9/16 In L Installation Type : Wall Suitable For : Type B Gas Vent
Vent Hole Size : 6 In Material Gauge : 0.018 Material : Galvanized Steel Dimensions : 6-5/8 In ID X 12-7/8 In OD Installation Type : Wall Suitable For : Type B Gas Vent
Vent Hole Size : 3 In Material Gauge : 0.18 Material : Galvanized Steel Dimensions : 3-1/2 In ID X 6-5/8 In OD X 1-7/16 In H Installation Type : Wall Suitable For : Type B Gas Vent
Vent Hole Size : 5 In Material Gauge : 0.18 Material : Galvanized Steel Dimensions : 5-1/2 In ID X 8-5/8 In OD X 1-5/8 In H Installation Type : Wall Suitable For : Type B Gas Vent