UL Standards UL 92:2020 free download UL 92-2020 pdf free download. Fire Extinguisher, Booster, and Noncollapsible Standpipe Hose and Hose Assemblies.The size of this pdf file is 10.5M. This new edition of L 9 dated March 24, 2020 includes a Title change and... 10-03 Read More