Premium Plus hose connector for high pressure hoses from Kärcher and Kränzle high-pressure washers HD & HDS with M22 thread like 4.403-002.0 from ONE! - Made in Germany : Amazon.co.uk: Garden
For Karcher K2-K7 Pressure Washer Hose Connector Converter Outlet Adapter M22 UK | eBay
Hose set with connectors, 20m | Kärcher International