Comparison : Item # 50C-SW-29, 5 Inch (in) Nominal Size Iron Pipe Size (IPS) Standard Wall Aboveground Socket Type End Bell
Item # 40B-SW-29, 4 Inch (in) Nominal Size ID Standard Wall Belowground Socket Type End Bell
Item # 40C-SW-29, 4 Inch (in) Nominal Size Iron Pipe Size (IPS) Standard Wall Aboveground Socket Type End Bell
Item # 20C-SW-29, 2 Inch (in) Nominal Size Iron Pipe Size (IPS) Standard Wall Aboveground Socket Type End Bell
Item # 50B-MW-29, 5 Inch (in) Nominal Size ID Medium Wall Belowground Socket Type End Bell