DuraVent® 46DVA-08A, Double Wall Pipe, Series: DirectVent Pro, 4 in Diameter, 24 ga Inner Pipe/28 ga Outer Pipe Gauge, Aluminum, Galvanized
DuraVent® 46DVA-08A, Double Wall Pipe, Series: DirectVent Pro, 4 in Diameter, 24 ga Inner Pipe/28 ga Outer Pipe Gauge, Aluminum, Galvanized