Half Union Fitting Complete Set... The Threaded side measures about 3" Inside and the Slip Glue end measures about 1 7/8" Inside Diameter for a 1 1/2" fitting to glue inside or 2 2/3" Outside...
Half Union Fitting Complete Set... The Threaded side measures about 2 3/8" Inside and the Slip Glue end measures about 1 7/8" Inside Diameter... Note: Although this measures very much like a 1 1/2"...