Inline Coupler Application Air Non-Potable Water Fitting Side A Connection Type Coupler Fitting Side B Connection Type Compression Fitting Side B Tube Inner Diameter 3/8 in Flow Control Type Shut-off Fitting Material Polypropylene Overall Length 3 17/32 in Specific Fitting Shape Straight Coupler Fitting Side B Tube Outer Diameter 1/2 in Standards NSF/ANSI 51 RoHS Color Gray Maximum Operating Pressure 120 psi Maximum Operating Temperature 160 Degrees F