Qooltek Adjustable Foam Cannon 1 Liter Bottle Snow Foam Lance Soap Dispenser Nozzle for Karcher K Series K2 K3 K4 K5 K6 K7 Pressure Washer Accessories[Energy Class A+] Easy to install, directly connected with a Karcher K series(K2 - K7) pressure washer Produces nice thick foam, helps clean the vehicle faster and reduces the wash time considerably Adjustable spray nozzle allows you adjust the pressure size of foam/water as needed The bottle is very durable and solid, so it won't be broken easily There is good sealing on the nozzle, no leaking at all
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