2017UL 1820 BULLETIN-2017 UL Standard for Safety Fire Test of Pneumatic Tubing for Flame and Smoke Characteristics (COMMENTS DUE: July 10@ 2017)
2013UL 1820 BULLETIN-2013 UL Standard for Safety Fire Test of Pneumatic Tubing for Flame and Smoke Characteristics (COMMENTS DUE: April 22@ 2013)
2008UL 1820 BULLETIN-2008 UL Standard for Safety Fire Test of Pneumatic Tubing for Flame and Smoke Characteristics (COMMENTS DUE: February 02@ 2009)
2004UL 1820-2004 UL Standard for Safety Fire Test of Pneumatic Tubing for Flame and Smoke Characteristics (Fourth Edition; Reprint with Revisions through and Including May 10@ 2013)
1997UL 1820-1997 UL Standard for Safety Fire Test of Pneumatic Tubing for Flame and Smoke Characteristics (Third Edition)
1994UL 1820-1994 UL Standard for Safety Fire Test of Pneumatic Tubing for Flame and Smoke Characteristics (Second Edition)