Adapter for medical connectors

A medical fluid flow system comprising:

• a. first and second medical fluid flow components in which the first medical fluid flow component includes a first male Luer or female Luer connector of a first configuration, and the second medical fluid flow component includes a second male Luer or female Luer connector of a second configuration that is not compatible with the first configuration;
• b. an adapter making a fluid connection between first and second medical fluid flow components including:
• i) a fluid flow conduit including a first end and a second end and a fluid flow lumen extending between the first and second ends;
• ii) a first adapter connector at the first end of said conduit, said first adapter connector being a male Luer or female Luer having a first configuration compatible with the first medical fluid flow component connector;
• and
• iii) a second adapter connector at the second end of said conduit, said second adapter connector being a male Luer or female Luer having a second configuration compatible with the second medical fluid flow component connector.