DuraVent® 46DVA-WTS, Double Wall Thimble, Series: DirectVent Pro, 4 in Diameter, 11 in Width, 24 ga Inner Pipe/28 ga Outer Pipe Gauge, Aluminum, Galvanized
DuraVent® 46DVA-WTS, Double Wall Thimble, Series: DirectVent Pro, 4 in Diameter, 11 in Width, 24 ga Inner Pipe/28 ga Outer Pipe Gauge, Aluminum, Galvanized