Push to Connect Fittings Kit Connection Type NPT Push-Fit Compatible Tube Sizes Included 1/2 Material Nickel-Plated Brass Number of Pieces 20 Specific Fitting Shapes Included Branch Tee Bulkhead Union Connector Elbow Run Tee Union Union Tee Maximum Operating Pressure 250 psi Maximum Operating Temperature 160 Degrees F Minimum Operating Temperature 0 Degrees F