Based on this product's specifications, here are some alternatives and similar models
Elbow electrically conducting NW40 1K by Karcher, conductive vacuum hose elbow NW40
Summary description:
Karcher Elbow electrically conducting NW40 1K is a conductive NW40 vacuum hose elbow designed to prevent static buildup during material extraction and cleaning. Compatible with NW40 systems, it provides an electrically conductive connection between hose sections or accessories. Suitable for industrial and professional cleaning applications where antistatic properties reduce risk of sparks and improve safety.