Widely used: This hose replacement is compatible with Karcher K Series Pressure Washers (K2 - K7) from 2009 or later, where the hose connects to the gun and pressure washer using the Quick Connect connector. Your trigger gun should have a yellow button (not black) for compatibility. Compatible with most Karcher pressure washers from K2 to K7 – The hose connects to the gun and pressure washer via the Quick Connect system. Compatible models include: 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 durable: The high-pressure extension hose features a rubber sleeve for enhanced flexibility, durability, and wear resistance. It is designed to be compatible with threaded Karcher high-pressure cleaners. Constructed with high-tension steel wire braid and a rubber outer sleeve for reliable performance. Easy operation: The high-pressure hose is equipped with professional click couplings on both ends, specifically designed for Karcher models. The Quick Connect system allows for fast and secure attachment and detachment from the pressure washer and gun, improving convenience and saving time. Top performance: Rated for a maximum pressure of 2610 PSI / 180 Bar and a maximum temperature of 140°F / 60°C.