Adapter, Sub Brand: ProPEX®, Nominal Size: 2-1/2 inch, Connection Type: PEX x MNPT, Material: Brass, Pressure Rating: 200 psi, Temperature Rating: 200 Deg F, Dimensions: 4.83 inch, Hex Size: 3-1/4 inch, Applications: For Use in Hot and Cold Domestic Potable Water Systems, Residential Fire Safety and Hydronic Radiant Heating and Cooling Systems, Standards/Approvals: ASTM F877/F1960