375W Cera Arc CMH Lamps, Eye Lighting International

Designed to replace up to 1,000W high pressure sodium and metal halide systems, this new ceramic metal halide 360W BT37 lamp produces crisp white light—4000K at a CRI of 85—and a mean of 2,700 lumens at a 10-hour start. It operates using a proprietary M155/O ballast, has a rated average life of 20,000 hours, and a max warm-up time of four minutes. Its base is an EX39 designation with a UV-cut coated-borosilicate glass bulb and an internal PCA arc tube. eyelighting.com