Retrotec’s Tubing Accessory Kit provides a set of colored pressure tubes (each 35 ft long), and connectors and pieces to provide pressure referencing to your gauge for you DucTester system. A pre-assembled gauge to gauge pressure splitter lets you test one channel of your gauge against another.
Convenient set of tubing accessories to provide pressure referencing in all situations
Included with all Retrotec Blower Door and Duct Testing Systems