Features: Upgrades your vehicle's air conditioner performances with the R134A high and low side expansion adapter set, designed for efficient refrigerants conversion. Constructed from brass, these quick coupling adapters resist corrosion and ensures excellent thermal conductivity for use in any automotive air conditioning systems. Suitable for professional automotive technicians and air conditioner engineers seeking precisions and ease in maintaining and repairing air conditioning systems. These R134A quick couplers are perfect for use in auto repair shops or during on site maintenance, streamlining the process of high and low pressure component conversion. Enhance your air conditioner with these color coded quick couplers, ensuring a secure fit and leakfree operations, making them a must have for quality focused air conditioner specialists. Specifications: Texture: Brass Packing Size: Approx. 6.49x5.11inch(16.5x13cm) Package Includes: 1 Pair Quick Coupler note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.