Duravent 4" x 6-5/8" DirectVent Pro Wall Firestop | 46DVA-WFS

DirectVent Pro Wall Thimble from Duravent Provides a complete wall-pass-through and firestop Use with Square Horizontal Cap Only May be required in Canada Refer to the appliance manufacturer’s installation instructions for requirements About the Duravent DirectVent Pro System DirectVent Pro features tight inner connections for superb performance, with no gaskets or sealants required (unless specified by the appliance manufacturer). All black pipe lengths, pipe extensions, and elbows feature laser-welded outer wall seams for a sleek finish. Low-profile locks and no hems or beads allow for a beautiful product that looks elegant in any interior.  DuraVent's direct vent is specified by nearly every major stove and fireplace manufacturer in the U.S. and Canada, with the largest choice of termination caps for direct vent available. Applications DirectVent Pro is a unitized, coaxial (concentric) venting system designed for use with direct vent gas or propane stoves, heaters, and fireplaces.