Push to Connect Fitting Application Chemicals Air Food Processing Color Silver Fitting Side A Connection Type Push-to-Connect Fitting Side B Connection Type Universal Includes Pre-Applied Thread Sealant Yes Fitting Side B Pipe Size 1/2 in Fitting Side A Tube Outer Diameter 4 mm Fitting Side B Tube Outer Diameter 4 mm Fitting Side C Tube Outer Diameter 4 mm Fitting Side D Tube Outer Diameter 4 mm Fitting Material Brass Maximum Operating Pressure 290 psi