Compare Quick view WATERWAY PLASTICS 415-6010 Waterway Plastics | Union Adapter, Pump, Waterway, 2"FBT x 2-1/2"MBT, Less O-Ring MSRP: Was: Now: $6.25 Union Adapter, Pump, Waterway, 2"FBT x 2-1/2"MBT, Less O-Ring Add to Cart Add to Cart