General description These 2Pcs Car Auto Freon R134A H/L Quick Coupler Adapters are designed for use with air conditioning refrigerant systems. They are compatible with A/C manifold gauge sets and are made from high-quality metal for durability. Technical specifications Item Weight: 350g Height: 46mm / 1.81inch Thread Size: 1/4inch Color: Blue (Low) and Red (High) Compatibility and accessories Compatible with R-134A refrigerant systems Includes 2 x Quick Coupler Adapters Other information Note: Light shooting and different displays may cause the color of the item in the picture to differ slightly from the actual product. The measurement allowed error is +/- 1-3 cm.