Swagelok SS-6-SE SS Street Elbow, 3/8"FNPT

Swagelok Cajon B-4-TA-7-4 Brass Adapter, 1/4" Tube x 1/4"FNPT

Swagelok SS-810-R-6 SS Reducer 1/2"O.D. Tube X 3/8" Swagelok Tube Adapter

Swagelok Cajon B-6-TA-7-6 Brass Female Tube adaptor 3/8"tube x 3/8"FNPT

Swagelok TI 600-1-4 Titanium Tube Fitting, Male Connector