The pressure washer accessories includes pressure washer gun adapter, foam cannon and nozzles. They are all compatible with KARCHER K2, K3, K4, K5, K6, K7 electric pressure washer. Foam cannon and nozzles works with K1700, K1700 CUBE, K1800, K1900. K2000 directly. Pressure Washer Gun Adapter: It converts to 1/4” Quick Disconnect female fitting. One end connects gun to pressure washer nozzle tips or foam cannon. The other end is inserted to gun and rotate the adapter clockwise. Foam Cannon: Fill soap into the bottle with warm water; Then connect 1/4" plug to Pressure Washer Gun Adapter; Adjust the knob on the top to desired foam level and then Foam Lance will disperse thick foam; The knob adjusts the foam dispensing amount and the spray nozzle adjusts the spray pattern. Container Capacity: 1 Liter / 0.22 Gallon. Specification: 1000 PSI to 3000 PSI. Maximum flow: 5.3 GPM. 5 Spray Nozzle Tips: They have different spray angle (0, 15, 25, 40, 65 degree). Choose different nozzle according to your needs. Such as watering flowers and plants, washing car. Max pressure is up to 3000 PSI. Application: The Foam Nozzle is ideal for Motorcycle, Car Washing; Roofs, Siding, Driveways washing; Floors, Windows washing. Best product for jet washing Detailing Trucks and SUVs. The pressure washer accessories includes pressure washer gun adapter, foam cannon and nozzles. They are all compatible with KARCHER K2, K3, K4, K5, K6, K7 electric pressure washer. Foam cannon and nozzles works with K1700, K1700 CUBE, K1800, K1900. K2000 directly. Pressure Washer Gun Adapter: It converts to 1/4” Quick Disconnect female fitting. One end connects gun to pressure washer nozzle tips or foam cannon. The other end is inserted to gun and rotate the adapter clockwise. Foam Cannon: Fill soap into the bottle with warm water; Then connect 1/4" plug to Pressure Washer Gun Adapter; Adjust the knob on the top to desired foam level and then Foam Lance will disperse thick foam; The knob adjusts the foam dispensing amount and the spray nozzle adjusts the spray pattern. Container Capacity: 1 Liter / 0.22 Gallon. Specification: 1000 PSI to 3000 PSI. Maximum flow: 5.3 GPM. 5 Spray Nozzle Tips: They have different spray angle (0, 15, 25, 40, 65 degree). Choose different nozzle according to your needs. Such as watering flowers and plants, washing car. Max pressure is up to 3000 PSI. Application: The Foam Nozzle is ideal for Motorcycle, Car Washing; Roofs, Siding, Driveways washing; Floors, Windows washing. Best product for jet washing Detailing Trucks and SUVs.