PEX and Pipe Adapter Fitting Side A Connection Type Barbed Fitting Side B Connection Type FNPT Fitting Side B Pipe Size 1/2 in Fitting Side A Tube Inner Diameter 1/2 in Barb Style Standard Fitting Material Brass Overall Length 1 5/16 in Specific Fitting Shape Straight Adapter Application Potable Water Maximum Operating Pressure 160 psi Maximum Operating Temperature 200 Degrees F Standards ASTM F1807 ASTM F877 CSA B137.5 NSF/ANSI 14 NSF/ANSI 372 NSF/ANSI 61