NUZAMAS High Pressure Washer Connector M22 Thread to 3/8', Inner Pin 14mm, Quick Connector Brass Internal Thread Hose Pipe Connecting Parts : Amazon.co.uk: Garden
Quick Connect Hose Adapter, Cleaning Accessories, High Pressure Water Gun, High Pressure Washer, M22 x 1.5 Dual Head Compatible with Karcher, Karcher HD & HDs High Pressure Washer Hose (14mm Diameter)
Metric M22 15mm Male to M22 14mm Female Thread Connector Hose Pipe Adapter Brass | eBay
M22 Adapter for High Pressure Washer Hose Pipe Conversion Heavy Duty and Sturdy | eBay