Oatey Aluminum No-Calk Flashing 3-in To 4-in x 15.5-in Aluminum Vent and Pipe Flashing

The Oatey All-Flash® No-Calk® Aluminum roof flashing has a multi-size, self-sealing collar that can create a watertight seal for any Type "B" roof installation, with a vent pipe diameter from 3-in to 4-in.