The METROPAC BP-12 is a non-electric by-pass damper designed for use in HVAC systems up to 5 tons. Measuring 12 inches, this damper allows for efficient airflow management, enhancing system performance. Its durable construction ensures long-lasting reliability, while the non-electric design simplifies installation and operation. This by-pass damper is essential for balancing air pressure in duct systems, preventing over-pressurization and ensuring comfort. Ideal for both residential and commercial applications, the BP-12 is a practical solution for effective climate control.