【Wide Usage】The replacement hoses fit K-series pressure washers (K2 - K7) 2009 or later, where the hoses are connected to the gun and pressure washer with a quick connector. Your gun must have a yellow button (not black) for our hose to work. 【Compatibility】Compatible machines include K 2; K2 Compact; K2 Full Control; K2 Full control at home; K2,850; K4 Compact; K4 Full Control; K4 Full control at home; K5 Compact; K7 Compact; K2 Compact Car and Home; K2 Premium Full Control Car and Home; K2 compact house; K4; House K4; K4 Silent House; K5 Full Control Start. 【Flexible and durable】The high-pressure extension hose has a rubber coating that increases flexibility, is durable and wear-resistant and is compatible with high-pressure cleaners with a Kärcher thread. High pressure high pressure cleaning hose with wire mesh and rubber coating. 【Easy to use】The high pressure hose is easy to use, with new professional Kärcher pressure fittings on both ends. With the quick connection system, you