Waterway 400-5800 2" Union Nut with 2" S Sweep Ell - 90 Degree Tailpiece Half Union Fitting Complete: Complete Half Union, 90 deg Union Fitting Application: Pump 2" Plumbing Connection Size"A": 2" Plumbing Connection Type"A": Female Buttress Thread (fbt), Slip (s) Plumbing Connection Size"B": 2"