This 3-way air valve is a reliable and efficient solution for HVAC service technicians. It features a 3/8" barb adapter and is designed to regulate the flow of air in heating, ventilation, and air conditioning systems. The Johnson Controls VGA8B2GT+3008E model ensures precise control over the temperature and airflow, making it an ideal choice for commercial and industrial applications. With its durable construction and easy installation process, this 3-way air valve is a valuable addition to any HVAC technician's toolkit.