Westbrass 1/2" IPS x 16" Round 90-Degree Rain Arm with Flange, Polished Chrome, D3711-26 Wall mounted 90-degree rain shower arm with flange 1/2 in. IPS x 17-1/2 in. round arm 16 in. to male threaded outlet Round decorative flange Lead-free brass arm Wall   mounted 90-degree rain shower arm with flange 1/2   in. IPS x 17-1/2 in. round arm 16   in. to male threaded outlet Round   decorative flange Brass arm