Solder DWV Cleanouts Application Drain Vent Waste Fitting Side A Connection Type FTG Fitting Side B Connection Type Cleanout With Plug Fitting Side A Copper Tube Size 1 1/4 in Fitting Material Bronze Fitting Side A Tube Outer Diameter 1 3/8 in Specific Fitting Shape Cleanout Standards ASME/ANSI B16.22 MSS SP-104 NSF/ANSI/CAN-61 Compatible Tube Material Copper