Experience 50% higher cleaning performance with the Kärcher Eco!Booster Nozzle, designed for efficient and thorough cleaning while using the same amount of water and energy. Compatible with all Kärcher K 4 pressure washers, this advanced nozzle ensures faster, eco-friendly results without compromising on power. Features and Benefits50% higher water efficiency- Based on 50 % more surface area that can be cleaned with the same amount of energy and water compared to the flat jet.50% higher energy efficiency- Based on 50 % more surface area that can be cleaned with the same amount of energy and water compared to the flat jet.Hugely versatile in application- Particularly suitable for delicate surfaces such as paint or wood Compatible machinesK 4 ClassicK 4 Power Control Car & Home PlusK 4 Power Control FlexK 4 Power Control Flex Car & HomeK 4 Power Control Flex Car & Home PlusK 4 Power Control Flex Home