Speedi-Products SM-2860GR 10 10-Inch Diameter by 60-Inch Length 28-Gauge Galvanized Sheet Metal Pipe</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>10-Inch Sheet Metal 28 gauge round pipe</li><li>Used in HVAC warm air supply， return and exhaust duct systems</li><li>Seal joints with approved duct mastic sealants</li><li>Insulate Ductwork for improved energy efficiency and comfort</li><li>Consult your local building codes for approved installation practices</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/21TKXBkV7KL.jpg' noproxy></br>