90 degree stainless-steel elbow.
This fitting is used on the top of the ST-167 injector to assist with low clearance installations.
It has a lock nut on the tapered end to position it in the desired orientation.
3/8″ BSPPM x 3/8″ BSPTM
Note:
BSPP = British Standard Pipe Parallel
BSPT = British Standard Pipe Tapered