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), then our hose will work. Kärcher compatibility Compatible machines include K 2; compact K2; K 2 Full Control; Full house control K 2; K2.850; K 4 compact; K 4 Full Control; K 4 Total Control Home; compact K5; compact K7; Compact car and house K 2; K2 Premium Full Control Car and Home; K2 compact house; K4; Home K4; quiet house K4; K5 Total Control Boot. Flexible and durable The high-pressure extension hose has a rubber jacket, which has greater flexibility, is durable and wear-resistant and is compatible with Kärcher pressure washer thread. High-pressure washer hose with high-tension steel wire 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.