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Use to create a weather-tight penetration where the vent pipe passes through a flat roof. Storm Collar required. When ordering Flashings for FasNSeal® W2 product the flashing diameter and vent diameter are the same.
DuraVent® FasNSeal® FSAF4 Tall Cone Flashing, 12 in OAH, Fits Vent Pipe Size: 4 in