Coupling Insert Application Air Non-Potable Water Fitting Side A Connection Type Barbed Fitting Side B Connection Type Insert Fitting Side A Tube Inner Diameter 3/8 in Flow Control Type Shut-off Fitting Material Polypropylene Overall Length 2 1/16 in Specific Fitting Shape 90 Degrees Elbow Insert Standards FDA Approved RoHS USDA Color Gray Maximum Operating Pressure 60 psi Maximum Operating Temperature 160 Degrees F Minimum Operating Temperature 32 Degrees F