Ideal for both high and mid-bay applications, the CL-HI5HO-OE is engineered to utilize T5HO lamps and a high-efficiency specular Miro IV reflector. Durable galvanized or pre-painted steel housing designed with a wide ballast cavity maintains efficient lamp operation and optimizes heat dissipation. The CL-HI5HO-OE is available in eight and twelve lamp configurations (two columns of lamps over 8' fixture length).