ETL Listed for Wet Locations; Suitable for ISO 5-9 Cleanspaces; Suitable for FED Std 209E Class 100-100,000 Cleanspaces; Narrow spectrum non-filtered RED LEDs; Available in 630nm and 660nm Red LEDs; White / Red Separately Controlled Circuits; Recessed housing suitable for Tbar Grid and Hardlid installations; Channel inset door frame; Robotically seam welded housing; 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