The Loren Cook GC120 Ceiling Mounted Fan is a durable ventilation fan designed to improve indoor air circulation and exhaust stale, humid, or contaminated air from residential, commercial, and light industrial spaces. It works by drawing unwanted air through the fan and expelling it outdoors, helping maintain healthier indoor air quality and proper ventilation. Commonly used with HVAC... https://www.partshnc.com/gc120-loren-cook-ceiling-mounted-fan