UL 181-13 Standard for factory-made air ducts and air connectors
Publication Year
2013
Document Status
Current
Abstract
Specifies requirements that apply to materials for the fabrication of air duct and air connector systems for use in accordance with international codes.
Document History
Revised December 29, 2021.
Publisher Information
Underwriters Laboratories
Established in 1894 as the Underwriters' Electrical Bureau, UL is a global safety consulting and certification company, approved to perform safety testing by the U.S. federal agency of Occupational Safety and Health Administration.
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