225W replacement for 400W and higher metal halide high bay fixtures or 6 x T5 HO tubes. High efficacy - 130 lm/W. Frosted diffuser minimizes glare for optimal comfort. 0-10V dimming with a flicker-free driver – supports compliance with Title 24. Excellent solution for a variety of commercial and industrial environments including warehouses, manufacturing facilities, gymnasiums and more. High grade steel construction. 4000K-cool white.