Gfg 7776-025 Portable Micro Iv Single-Gas, Calibration Kit For Micro Iv. Includes Carrying Case, 0.5 Lpm Fixed Flow Regulator For Inside Thread Cylinders (Aluminum And 103L Steel Cylinders)

GFG 7776-025 Portable Micro IV Single-gas, Calibration Kit for Micro IV. Includes carrying case, 0.5 lpm fixed flow regulator for inside thread cylinders (Aluminum and 103L steel cylinders), calibration adapter and tubing