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 Tigger gun must have a yellow button (not black), then our hose will work. Kcher 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 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 has a rubber sheath, which has greater flexibility, is durable and wear-resistant, and is compatible with the Karcher pressure washer thread. High tension steel wire braided high pressure cleaning hose with rubber sleeve. . With the Quick Connect system, you can quickly insert and remove the pressure washer and gun, saving you time and effort.