Adapter Application Compressed Air Cooling Water Fire Protection Hydronics Marine Fitting Side A Connection Type Press-Fit Fitting Side B Connection Type FPT Fitting Side A Copper Tube Size Not Applicable Fitting Side B Copper Tube Size Not Applicable Fitting Material Carbon Steel Fitting Side A Pipe Size 1 in Fitting Side B Pipe Size 3/4 in O-Ring Material FKM Specific Fitting Shape Adapter Finish/Coating Zinc Nickel Fitting Side A Tube Outer Diameter 1 in