3/4" MALE NPT fitting

 One end connects to 3/4” (1620)  GASFLEX,   

(3/4” size: nominal 16 mm ID x 20 mm OD; 0.625" ID x 0.787" OD)

and the other end is a 1/2" MALE NPT.

 Screw compression brass fitting three- piece body construction

CE approved