Inline Coupler Application Air Non-Potable Water Fitting Side A Connection Type Barbed Fitting Side B Connection Type Coupler Fitting Side A Tube Inner Diameter 1/2 in Flow Control Type Shut-off Fitting Material Polypropylene Overall Length 3 5/32 in Specific Fitting Shape Straight Coupler Standards NSF/ANSI 51 RoHS Color Gray Maximum Operating Pressure 120 psi Maximum Operating Temperature 160 Degrees F Minimum Operating Temperature 32 Degrees F