High-quality material: Made of high-quality PVC and copper, sturdy and durable, resistant to bending and wear. Compatibility: Suitable for Kärcher K2, K3, K4, K5, K6, K7 high-pressure cleaners. Superior performance: Maximum pressure value up to 2320 psi/160 bar and maximum temperature 60 °C. Quick connect and disconnect: Adjust the new snap fasteners on both ends, you can quickly connect or disconnect your pressure washer and gun, saving time and effort. Note: Our high pressure hose only fits the new trigger gun with quick connect and disconnect. Your gun must have a yellow button (not black) for our hose to work. How do I prevent the high-pressure hose from twisting? On hot, sunny days, lay it out for a few hours. Then roll it up and store it carefully. When taking it out, loosen the clamp and let it sit for 10 minutes. After that, it should stay straight. Helpful tips: In winter, do not store the pressure washer hose outdoors after use, but in a ventilated and dry place indoors. In