Wide Use: The replacement hose fits Karcher K series (K2 - K7) 2009 or later pressure washers, where the hose connects to the gun and the pressure washer with the quick fit connector. Your trigger gun must have a yellow button (not black) for compatibility. Compatibility: Compatible models 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 at Home, Compact K5, Compact K7, Compact Car and House K 2, K2 Premium Full Control Car and Home, K2 Compact House, K4, Home K4, Silent House K4, K5 Total Control Boot. Flexible and Durable: The high-pressure extension hose features a rubber sheath for enhanced flexibility, durability, and wear resistance. It is compatible with Karcher pressure washer thread. Constructed with high-tension steel wire braid and a rubber sleeve for reliable performance. Quick Connect System: Equipped with a quick connect system for easy and fast attachment and detachment from the pressure washer and gun, saving time and effort. Superior Performance: Maximum rated pressure up to 2610 PSI / 180 Bar. Maximum temperature rating of 140°F / 60°C.