PRESSURE BALANCE BATH-SHOWER SET: Valve made of brass with pressure balance cartridge, single-handle made of zinc; 6-inch (15.24 cm) brass wall mount shower arms; 6-inch (15.24 cm) square ABS swiveling shower head with easy-to-clean anti-limescale nozzles; Round slip-on bath spout with pull-up diverter, 5-1/4 inches (13.3 cm) made of zinc; Flow rate of 9.5 L/min (2.5 US gal/min).