Features: Application: Professional AC metering hose for refrigerants R12 R22 R134A 404 for vehicle or household air conditioners with high working performance. Made of high quality brass alloy and rubber, the HVAC hose is easy to handle and install, has a strong seal, is durable and safe. Color coding is red, yellow and blue. 500PSI working pressure and 2500PSI burst pressure. A 45-degree angle air conditioner charging hose at the service port makes it easier to access. Strong six-sided crimp provides a reliable connection between hose and barb, even at maximum pressure. The coupler nut features a deep knurled design for quick hand tightening. Specifications: Material: Plastic Overall length: Approx. 1.2m/3.94ft Working Pressure: 500PSI Burst Pressure: 2500PSI Package Includes: 1x Red 1x Blue 1x Yellow note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.