Wide Application The replacement hose fits Karcher 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. Karcher 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 Home; compact K5; compact K7; Compact Car and Home K 2; K2 Premium Full Control Car and Home; K2 compact residential; K4; Home K4; quiet house K4; K5 Total Control Boot. Flexible and Durable The high-pressure hose has a rubber cover, which has greater flexibility, is durable and wear-resistant, and is compatible with Karcher's pressure washer thread. High-tension steel wire braided pressure washer hose with 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 ℃.