(J&D MFG) 60" Indoor/Outdoor Ceiling Fan provides continuous circulation to dissipate ammonia, gasses, and odors. Designed for high humidity and high moisture applications, including poultry, swine, and dairy buildings. Helps dry bedding, walls, and floor by continuously mixing air. Optional variable speed control (sold separately) to adjust fan speed, if desired. Pre-wired wth attached 16' grounded cord and 3-prong plug for 115 volts.