Spotter Level Has 1" Male NPT & 1/2" Female NPT
Screw the level into a threaded pipe fitting and use it to spot the outlet you are tightening either plumb or level.
½" female and 1" male NPT...
Spotter Level CPVC Adapter
The CPVC adapter simply screws into the 1/2" female threads of the Spotter Level and allows you to use it on 1" CPVC fittings.