Reducing Union Application Air Chemicals Non-Potable Water Fitting Side A Connection Type Compression Fitting Side B Connection Type Compression Fitting Material Stainless Steel Fitting Side A Tube Outer Diameter 3/8 in Fitting Side B Tube Outer Diameter 1/4 in Material Grade 316 Maximum Operating Pressure 6 550 psi Maximum Operating Temperature 1 200 Degrees F Overall Length 1 11/16 in Specific Fitting Shape Straight Reducing Connector Compatible Fitting Brands LET-LOK Swagelok