http://products.construction.com/MasterFormat2004Index/heating,-ventilating,-and-air-conditioning-(hvac)_23-00-00/Identification-for-HVAC-Piping-and-Equipment_23-05-53RSS Feed for Identification-for-HVAC-Piping-and-Equipment2009 The McGraw-Hill Companies, Inc. All rights reserved.<div><table><tr><td><a href='http://products.construction.com/Manufacturer/Seton-Identification-Products-NST3567/overview' border='0'><img height='51px' width='70px' valign='top' align='left' border='0' src= 'http://products.construction.com/swts_content_files/3567/E28906.jpg' hspace='5'> </a></a></td><td>Seton Identification Products (a.k.a. Seton Name Plate) have been written into construction specifications for quality pipe and valve identification and architectural signage since 1956. </td></tr></table></div>http://products.construction.com/Manufacturer/Seton-Identification-Products-NST3567/overview