Optimized for seamless connections, the Union Straight 3/8 Inch allows for tube-to-tube connections without the need for brazing. Its innovative positioning strip ensures accurate alignment for easy and secure tube insertion. Fully compatible with all refrigerant gases, this union features advanced metal-to-metal sealing technology, enabling it to withstand unlimited pressure and temperature ranges. The design includes an over-torque prevention feature for added safety during installation. Constructed from durable aluminum alloy and finished in a vibrant red, the Union Straight is an essential tool for HVAC professionals seeking reliable and efficient connections.