| Comparison : |
Item # 40B-SW-33, 4 Inch (in) Nominal Size ID Belowground (Tubular) Male Adapter
Item # 20B-SW-33, 2 Inch (in) Nominal Size ID Standard Wall Belowground (Tubular) Male Adapter
Item # 40C-SW-33, 4 Inch (in) Nominal Size Iron Pipe Size (IPS) Standard Wall Aboveground Male Adapter
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