Wide application The replacement hose fits Kärcher K-series (K2 - K7) pressure washers from 2009 or later, where the hose connects to the gun and pressure washer with the quick connector. Your trigger gun must have a yellow button (not black) for our hose to work. Kärcher compatibility Compatible machines include K 2; compact K2; K 2 Full control; Cockpit control K 2; K2,850; K 4 compact; K 4 Full control; K 4 Total control at home; compact K5; compact K7; Compact car and house K 2; K2 Premium Full Control Car and Home; K2 compact housing; K4; Home K4; quiet house K4; K5 Total Control Boot. Flexible and durable The high-pressure extension hose has a rubber casing, which provides greater flexibility, is durable and resistant, and is compatible with Kärcher's pressure washer thread. High-pressure washer hose with high-tension steel wire and rubber sleeve. With the Quick Connect system, you can quickly insert and remove the pressure washer and gun, saving time and effort. Superior performance Max rated pressure up to 2610 PSI / 180 Bar and max temperature 140 / 60.