【Wide Range of Applications】The replacement hose is compatible with Kärcher K-series pressure washers (K2 - K7) from 2009 or later, where the hose is connected to the gun and the pressure washer with the Quick Connect connector. Your spray gun should have a yellow button (not black), then our hose will work. 【Compatible with Kärcher】COMPATIBLE WITH MOST KÄRCHER PRESSURE WASHERS FROM K2 TO K7 - The hose is connected to the gun and the pressure washer with the Quick Connect connector. Compatible machines include K2; K2 Compact; K2 Full Control; K2 Full Control Home; K2.850; K4 Compact; K4 Full Control; K4 Full Control Home; K5 Compact; K7 Compact; K2 Compact Car & Home; K2 Premium Full Control Car & Home; K2 Compact Home; K4; K4 Home; K4 Silent Home; K5 Full Control Home. 【Flexible and Durable】The high-pressure extension hose has a rubber sleeve, which provides greater flexibility, is durable and wear-resistant, and is compatible with the threaded Kärcher pressure washer. High-pressure washer hose with high-tension steel wire and rubber sleeve. 【Easy to Use】The high-pressure hose is easy to handle as it comes with a professional new type of click connectors at both ends for Kärcher. The Quick Connect system allows you to quickly click the pressure washer and gun in and out, saving time and effort. 【Top Performance】Maximum rated pressure up to 2610 PSI/180 Bar & Maximum temperature 140℉/60℃.