DuraVent DuraVent 4"x 6-5/8" DirectVent Pro Direct Vent Pipe - Galvanized Wall Firestop

4"x 6-5/8" DirectVent Pro Galvanized Wall FirestopThe DirectVent Pro 4" x 6-5/8" Inner Diameter Galvanized Wall Firestop is a component that is used in a typical venting installation. For horizontal (through-wall) installations. Refer to the appliance manufacturer’s installation instructions for requirements.Features:Dimensions: 12-1/2" x 12-1/2"For Horizontal Through-the-Wall InstallationsDirectVent Pro features tight inner connections for superb performance, with no gaskets or sealants required (unless...