1120APC Finish: Polished Chrome Features: -Adjustable wall flange.-Shower arm: Maximum 20" and Min. 12".-0.5" Male inlet/outlet. Construction: -Solid brass construction. Specifications: -Arm 20 for the b2160/1 showerhead. Dimensions: -Overall dimensions: 2" H x 12" W x 12" D. Warranty: -Manufacturer provides 2 year warranty against defects (EXCEPT on Tuscan Brass finish).