This precision-engineered brass adapter is designed specifically for R-32 and R-454B refrigerant tanks, featuring a 1/4 inch female to 1/4 inch male reverse thread configuration. The robust brass construction ensures durability and reliable performance in professional HVAC applications. The reverse threading system provides a secure connection, helping prevent accidental cross-connection with incompatible refrigerant systems. This adapter serves as a crucial interface component when working with R-454B and R-32 refrigerants, allowing for safe and proper connection between service equipment and refrigerant tanks. The 1/4 inch standard sizing makes it compatible with common HVAC tools and equipment, while the quality brass material offers excellent resistance to wear and corrosion. This adapter is an essential tool for HVAC technicians and professionals working with modern refrigeration systems.