Note: At times I will need to source other companies to provide these to you. Don't be alarmed if it looks a little different than the QDs that are in the photos and are a different brand.
This part isn't as complicated as it may seem. It is the female part that fits anything low pressure (garden hose) related. These are available in both stainless steel and brass. This is the stainless steel version.
This Quick Disconnect can be used for the following: