Tube Insert, Application Compression, Cooling, Compatible Fitting Connection Type Compression, Compatible Tube Outer Diameter 22 mm, Compatible Tube Inner Diameter 16 mm, Fitting Material Brass, Material Grade C26000, Maximum Operating Pressure 435 psi, Maximum Operating Temperature 250 Degrees F, Overall Length 21 mm, Specific Fitting Shape Tube Insert, System of Measurement Metric, Standards CNOMO, PED, REACH, RoHS, Compatible Tube Hardness Not Applicable, Compatible Tube Material Polymer