The Parker Zoomlock Max Press To Connect 1/2" 90 Degree Elbows Refrigerant Fittings are high-quality copper fittings designed for use in HVAC and refrigeration systems. With a diameter of 2 inches and a unit quantity of 3, these elbows are compatible with Parker brand systems and provide a secure and efficient connection for refrigerant lines. The 90-degree angle makes them ideal for various installation situations, and the Zoomlock Max Press design ensures a reliable connection for optimal performance.