UL Subject 181

Standard for Factory-Made Air Ducts and Air Connectors (Bulletin, 4/17/1998)

Underwriters Laboratories, 04/17/1998

Publisher: UL

File Format: PDF

$101.00$203.60

Published:17/04/1998

Standard for Inert Gas Clean Agent Extinguishing System Units (CSDS Proposal, 12/9/2013)

$129.00 $259.21

Subject 1821B (Bulletin, 12/10/2013)

$135.00 $270.95

Standard for Electric Fans (CSDS Proposal, 11/8/2013)

$109.00 $219.89

Standard for Electric Heating Pads (CSDS Proposal, 12/9/2013)

$109.00 $218.02