S4-U-ML12
304 SS, FITOK 6D Series Tube Fitting, Union, 12mm O.D.
SS-BU-ML10-ML12
316 SS, FITOK 6D Series Tube Fitting, Bulkhead Reducing Union, 10mm O.D. × 12mm O.D.
B-U-ML12
Brass, FITOK 6D Series Tube Fitting, Union, 12mm O.D.
SS-U-ML12-F2
316 SS, FITOK 6D Series Tube Fitting, Union, 12mm O.D., FITOK FC-02 Special Cleaning and Packaging