Duravent 4" x 6-5/8" DirectVent Pro 3x3 Co-Linear Reline Kit AL Flex | 46DVA-CL33KFB

DirectVent Pro Flex Horizontal Cap Kit from Duravent Use when installing a direct vent co-linear insert into an existing factory-built chimney. Red Flex Exhaust 4" x 35' - Air Intake 3" x 35'. Kit includes: High-wind termination Cap, 2 pieces of Aluminum Flex Lengths, and 4 Hose Clamps Choose from the following Flex Lengths: 4" x 6-5/8" Diameter 46DVA-CL33KFB (3 x 3) 46DVA-CL34KFB (3 x 4) 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 vents available.