Used to install a direct vent system in a masonry chimney with two flexible aluminum liners. The IVT is equipped with a 3″ air inlet and a 4″ exhaust. An adapter for 3″ venting is also included. Requires flashing (MF, MFR, MFC or IVTP). Approved for high-wind areas. Optional windshield (SVTS) can improve performance in extreme wind conditions. Made of stainless steel.
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