This precision-engineered brass adapter is designed specifically for R32 and R454B refrigerant tanks, featuring a unique reverse thread configuration. The fitting combines a 1/4 inch female connection on one end with a 1/4 inch male connection on the other, making it ideal for specialized HVAC applications. The adapter's robust brass construction ensures durability and reliable performance, while its knurled grip pattern provides enhanced handling during installation. The reverse threading system adds an extra layer of safety by preventing accidental cross-connection with standard fittings. This adapter is essential for professionals working with modern refrigeration systems and specialized equipment. The compact design maintains a secure seal while allowing for easy connection and disconnection when needed. Please note that this component should only be used by qualified technicians familiar with refrigeration systems and proper safety protocols.