Meeting IP68 requirements, Elma’s LED light pipes are waterproof and come in a wide range of options. Standard shapes are available as well as customized versions including various launch surface options and specific colors. Standard lengths vary from 4.5 mm to 100 mm. The light pipes employ a rugged PC clear material rated to UL94 and operating temperature ranges from -20°C to +50°C. ELMA ELECTRONIC INC., Fremont, CA. (510) 656-3400.