Waterway Plastics 415-6010 Union Adapter, 2"fbt x 2-1/2"mbt, w/o O-Ring. Union Fitting Type - Adapter First Plumbing Connection Size - 2", 2-1/2" First Plumbing Connection Type - Female Buttress Thread (fbt), Male Buttress Thread (mbt) Second Plumbing Connection Size - 2", 2-1/2" Second Plumbing Connection Type - Female Buttress Thread (fbt), Male Buttress Thread (mbt) Manufacturer - Waterway
