High Quality Material: Made of high quality PVC and copper, sturdy and durable, resistant to bending and wear. Compatibility: Suitable for Karcher K2, K3, K4, K5, K6, K7 pressure washers. Superior Performance: Maximum pressure up to 2320 psi/160 bar and maximum temperature 60°C. Quick Connect and Disconnect: Adapt the new style snap fittings on both ends, you can quickly connect or disconnect with your pressure washer and gun, saving your time and effort. Note: Our pressure hose only fits the new style trigger gun with quick connect and disconnect, and your gun must have a yellow button (not black), then our hose works. How to prevent high pressure water hoses from kinking? On hot and sunny days, lay them out and leave them there for a few hours. Roll them up and store them carefully. When you take it out, first unblock it and then leave it there for 10 minutes. Then it should stay straighter. Helpful Tips: 1. In winter, do not place the pressure washer hose outside after use, but