Push-Fit Cap, Application Potable Water, Fitting Connection Type Tube Stem, Fitting Material Acetal, Fitting Tube Size Outer Diameter 8 mm, Material Grade Not Applicable, Maximum Operating Pressure 101 psi, Maximum Operating Temperature 158 Degrees F, Specific Fitting Shape Plug, Includes Pre-Applied Thread Sealant Pre-Applied Thread Sealant Not Included, Color Red, Standards FDA Approved, NSF/ANSI 51, NSF/ANSI 61, Compatible Copper Tube Size 8 mm, Compatible Tube Hardness Not Applicable