Union Tee Application Air Chemical Gas Non-Potable Water Fitting Side A Connection Type Compression Fitting Side B Connection Type Compression Fitting Side C Connection Type Compression Fitting Material Stainless Steel Fitting Side A Tube Outer Diameter 4 mm Fitting Side B Tube Outer Diameter 4 mm Fitting Side C Tube Outer Diameter 4 mm System of Measurement Metric Compatible Fitting Brands Swagelok Material Grade 316 Maximum Operating Pressure 10 300 psi