https://www.ul.com/news/revised-standard-ul-867-electrostatic-air-cleaners
Revised Standard for UL 867 - Electrostatic Air Cleaners | UL Solutions
By: Barry Karnes, Principal Engineer, Refrigeration Products UL announces the publication of revisions to the Fifth Edition of UL 867, The Standard for Safety...
electrostatic air cleanersrevised standardul867solutions