Push-Fit Cap, Application Potable Water, Fitting Connection Type Tube Stem, Fitting Material Acetal, Fitting Tube Size Outer Diameter 1/2 in, Material Grade Not Applicable, Maximum Operating Pressure 145 psi, Maximum Operating Temperature 149 Degrees F, Specific Fitting Shape Plug, Includes Pre-Applied Thread Sealant Pre-Applied Thread Sealant Not Included, Color Gray, Standards FDA Approved, NSF/ANSI 51, NSF/ANSI 61, Compatible Copper Tube Size 1/2 in, Compatible Tube Hardness Not Applicable. This item has been restricted from sale in the following state (s): []