Based on this product's specifications, here are some alternatives and similar models
Water Hose Fitting Kärcher 2.645-192.0
Summary description:
The Kärcher 2.645-192.0 water hose fitting is designed for durability and easy connection. Made from high-quality materials, it ensures a secure fit and compatibility with Kärcher systems. This fitting is lightweight and easy to install, making it an essential accessory for your gardening needs.