This part is a Reducing Tee that is 1-1/2" Slip x 1/2" Slip x 1-1/2" Slip... The 1 1/2" Sides receive pipe and fittings that would measures about 1 7/8" OD on each end and a 1/2" pipe or fitting that...
This part is a Bell Reducer, 1-1/2" Slip x 1/2" Slip... You glue a 1 1/2" Pipe that would measure about 1 7/8" OD in the large end and glue a 1/2" pipe that would measure about 3/4" OD in the...