Inline Coupler Application Air Non-Potable Water Fitting Side A Connection Type Coupler Fitting Side B Connection Type Tube Fitting Side B Tube Inner Diameter 1/4 in Flow Control Type Shut-off Fitting Material Polypropylene Overall Length 2 7/16 in Specific Fitting Shape Straight Coupler Fitting Side B Tube Outer Diameter 3/8 in Standards NSF/ANSI 51 RoHS Color Gray Maximum Operating Pressure 120 psi Maximum Operating Temperature 160 Degrees F