The HBL4 is an LED high bay luminaire featuring high quality LED components from leading manufacturers. The HBL4 offers high performance in a full body steel linear construction. Available in 7 output variations (90W to 425W) producing from 12,394-60,629 lumens in the 5000K CCT version. 140+ LPW. Suitable for Ambient temperatures from -20°C to 50°C (-4°F to 122°F).