The DuraVent Direct Vent Pro Wall Thimble is used for horizontal venting to provide a safe passageway through the side of the home. The Wall Thimble is able to adjust to varying wall thicknesses. The thimble is for horizontal venting only. The thimble will only work with the Square High Wind Horizontal Vent Cap.
Add the optional wall thimble cover plate as a decorative cover for the wall thimble. The cover comes with an insulated ring to reduce any infiltration through the wall.
