Tee Application Compressed Air Hydronics Industrial Gases Marine Fitting Side A Connection Type Press-Fit Fitting Side B Connection Type Press-Fit Fitting Side C Connection Type Press-Fit Fitting Side D Connection Type Press-Fit Fitting Side A Copper Tube Size Not Applicable Fitting Side B Copper Tube Size Not Applicable Fitting Side C Copper Tube Size Not Applicable Fitting Side D Copper Tube Size Not Applicable Fitting Material Stainless Steel Fitting Side A Pipe Size 1 1/4 in