UL 300 compliance
https://atomic-wiki.win/index.php/Why_Bare_Metal_Surface_Cleaning_Matters_for_NFPA_96_Compliance
UL 300 compliance refers to the rigorous fire testing standard for commercial kitchen extinguishing systems, specifically designed to handle grease fires. Systems that meet this rating must suppress flames within seconds and prevent reignition, using wet or dry chemicals tailored to high-heat cooking environments. Restaurants and food facilities prioritize this certification to pass local fire codes and insurance requirements, ensuring their hoods and ducts are protected against the intense, fl…