RAD64003061 Features: -Radnor By Harris pressure regulator. This medium regulator is the traditional workhorse of the regulator line. A time proven design for those who want an economical, high performance regulator. Now features one-piece encapsulated seat design with an internal filter and a PTFE PTFE seat.. -RADNOR by HARRIS. -Stem-type seat mechanism Forged Body and Housing Cap. -UNSPC CODE: 40142200. Product Type: -Regulator.