Rain Bird PA-8S Adaptor is A Rain Bird adapter bush that allows any 1800 series nozzle to be mounted direct to a 1/2" (BSPM) riser.
It is to be used as an accessory to mount your VAN, HE-VAN and R-VAN nozzles onto a 1/2″ BSP threaded riser. These are handy if you want to use these nozzles to irrigate gardens; choose a 1/2″ riser pipe high enough to clear the foliage, then screw this adapter on. The nozzle will thread directly into this adapter.
Adapts Rain Bird nozzles for use with ½" (15/21) MPT threaded risers
Accepts protective, non-clogging 1800 Series filter screen (shipped with nozzle) and PCS Series screens