Xenon Diagnostic Circuit Kits labeled as "Xenon Diagnostic Circuit", "Xenon Circuit", and Needleless Xenon Diagnostic Circuit" Manufactured for RAF MEDICAL, INC., (Model number's RAF2306, RAF2304, RAF2380, RAF2300, RAF2370, RAF2372, RAF2350, RAF2341, RAF2302, RAF2340 || RAF2306, RAF2304, RAF2361), or Medico-Mart, Inc. ("Xenon Curcuit" Model number's 2304, 2306). || Xenon Diagnostic Circuit Kit: Used in specific Nuclear Medicine Procedures. ViroMax: For use on all patient populations, in conjunction with other respiratory devices containing standard 15 mm and/or 22 mm fittings (such as breathing circuits and the like) to filter respiratory gases where infection from airborne bacteria and viruses is a concern.