Feature: 1. Comprehensive Compatibility: Suitable for various refrigerant types (R134A, R22, R410A, R600, etc.), suitable for different household air conditioning maintenance, improving work efficiency. 2. Accurate Measurement and Efficient Diagnosis: The high-precision pressure gauge design clearly displays the pressure values on the high and low pressure sides, helping to quickly and accurately diagnose air conditioning system faults. 3. Durable Construction, Safe and Reliable: Made of premium-quality copper manifolds and sturdy materials, corrosion-resistant and high-pressure resistant, ensuring stability and safety under long-term use. Equipped with leak proof can tap seals to prevent refrigerant leakage and ensure the safety of operators. 4. User Friendly Design: The integrated design is easy to carry, easy to read, and even beginners can quickly get started, reducing the risk of misoperation. 5. Professional Level Maintenance Assistance Tools: Meet the needs of comprehensive air conditioning maintenance and fluorination, making them an ideal choice for maintenance technicians and DIY enthusiasts. Specification: Item: Diagnostic Manifold Gauge Sets Color: Blue, Red, Yellow Product Material: Copper, Aluminum, PVC Package Size: 33*22*10cm Package Weight: 2350g Package List: 1* Diagnostic Manifold Gauge Sets