Ballasts are Class P, non-PCB and UL listed. Electronic ballasts are sound rated “A”. Housings are formed from cold rolled steel and painted with a high-gloss, baked white enamel finish after multi-stage cleaning and a phosphate coating to inhibit rust, has been applied. Fixture is designed for mounting under shelves and cabinets. No fasteners required for mounting cover to body. Standard diffuser is 100% virgin ribbed white acrylic.