Here’s a short video in which you’ll see the “EZ Snap” quick connect that we use on our systems. It can be used to connect two different ID hoses. Below the video are 2 links to the parts you’ll need to order from WCR.
https://shopwindowcleaningresource.com/ez-snap-male-end.html
https://shopwindowcleaningresource.com/ez-snap-female-quick-connect.html