Union Application Air Non-Potable Water Fitting Side A Connection Type Compression Fitting Side B Connection Type Compression Fitting Material Brass Fitting Side A Tube Outer Diameter 1/8 in Fitting Side B Tube Outer Diameter 1/8 in Maximum Operating Pressure 150 psi Maximum Operating Temperature 200 Degrees F Specific Fitting Shape Straight Connector System of Measurement Imperial Standards DOT/SAE J1402A Minimum Operating Temperature 65 Degrees F