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American Metal Products 7.1-in Galvanized Steel Oval Stackhead Duct Boot

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  • 4 inch oval to round adapter which is used for conversion of vent from oval to round

  • This item is venting for type BW gas appliance installations

  • Oval gas vent galvanized steel duct pipe. The WV line of oval pipe and fittings is designed for in-the-wall construction. Strong, durable galvanized steel outer pipe has internal spacing beads to assure a uniform insulating air space between pipe walls

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