Usage Tips:Widely useThe hose replacement is compatible with Karcher K Series Pressure Washers (K2 - K7) from 2009 or later, where the hose is connected to the gun and pressure washer with the Quick Connect connector. your tigger gun should has a yellow button (not black), then our hose works. Compatible with Krcher COMPATIBLE WITH MOST KARCHER PRESSURE WASHERS FROM K2 TO K7 - The hose is connected to the gun and pressure washer with the Quick Connect connector. Compatibly machines includes K 2; K 2 Compact; K 2 Full Control; K 2 Full Control Home; K 2.850; K 4 Compact; K 4 Full Control; K 4 Full Control Home; K 5 Compact; K 7 Compact; K 2 Compact Car & Home; K 2 Premium Full Control Car & Home; K2 Compact Home; K4; K4 Home; K4 Silent Home; K5 Full Control Home. Flexible and durableThe high-pressure extension hose has a rubber sleeve, which has greater flexibility, is durable and wear-resistant, and is compatible with the threaded Karcher high-pressure cleaner. High-tension steel wire braided high-pressure cleaner hose with rubber sleeve. Easy OperationThe high-pressure hose is easy to handle as it comes with a professional type click couplings on both ends for Karcher. With the Quick Connect system, you can click quickly in and out of the pressure washer and gun, saving you time and effort. Top performanceMaximum rated pressure up to 2610 PSI/180 Bar & Maximum temperature 140 / 60.