Suitable for R1234yf. Compatible with automotive and household air conditioners. Ideal for HVAC, air conditioning maintenance, and use as a tool for adding coolant or fluorination. High-quality R1234YF service hose kit constructed from metal material, offering a strong structure, stable performance, durability, and long service life. Easy to install with quick connect R1234YF coupler that connects directly to the low-side port, featuring an automatic shut-off function. Simple and user-friendly design. Equipped with a pressure gauge for real-time pressure monitoring during use; the low-pressure side gauge assists in proper charging. Total length: 39 cm. Material: Metal. Color: Blue. Package includes: 1 x air conditioning line repair tool. Additional products not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.