Barbed Fitting Adapter, Fitting Side A Connection Type Tube Stem, Fitting Side B Connection Type Barbed, Fitting Side A Tube Inner Diameter 1/4 in, Fitting Side B Tube Inner Diameter 3/8 in, Barb Style Standard, Fitting Material Acetal, Specific Fitting Shape Straight Adapter, Application Air, Inert Gases, Potable Water, Maximum Operating Pressure 232 psi, Maximum Operating Temperature 65 Degrees C, Standards NSF/ANSI 51, NSF/ANSI 61, Color Gray, Minimum Operating Temperature 20 Degrees C