The Equalizer ™exhaust balancing damper allows multiple hoods to be connected to a common exhaust duct and fan with the ability to balance each hood to the required exhaust airflow. The EqualizerT™ is a balancing damper, air flow measurement device and access panel for duct cleaning - all in one. The unique design of this hood accessory has an adjustable mechanism that allows balancing of airflow while still meeting all of NFPA 96 and U.L. qualifications.