Adapter Application Chilled Water Compressed Air Marine Potable Water Fitting Side A Connection Type Press-Fit Fitting Side B Connection Type MPT Fitting Side A Copper Tube Size Not Applicable Fitting Side B Copper Tube Size Not Applicable Fitting Material Stainless Steel Fitting Side A Pipe Size 2 1/2 in Fitting Side B Pipe Size 2 1/2 in Material Grade 316 O-Ring Material EPDM Specific Fitting Shape Adapter Fitting Side A Tube Outer Diameter 2 1/2 in Overall Length 4 17/32 in