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The Metal-Fab MF-4D18 is an 18 in straight rigid direct vent pipe section for sure-seal direct vent systems. It is a round galvanized pipe with a 4 in venting diameter (venting size listed as 4 in / 6-1/2 in) intended for rigid venting applications. Typical uses include venting heating appliances and gas-fired equipment that require a rigid round direct vent connection. The item is sold in cartons of six and is identified by manufacturer number 4D18.
18 in galvanized straight direct vent pipe, 4 in diameter, round shape, sold 6 per carton for sure-seal direct vent installations
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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