Rated IP65; Suitable for ISO 3-9 Cleanspaces; Suitable for 209E class 100-100,000 Cleanspaces; ETL listed for Wet Locations; One piece Inset Doorframe; Robotically seam welded housing; Narrow Spectrum 590nm True Amber LEDs; White / Amber Separately Controlled Circuits; Recessed Housing suitable for Tbar Grid AND Hardlid Installations; Made in the USA by a Family Owned US Corporation; This KURTZON product is illuminated by BIOS to provide healthy, low energy lighting that promotes improved sleep, better health and well-being