ROUND THERMOSTATIC SHOWER SET: Valve made of brass with thermostatic cartridge; 4-way diverter (shower head, other shower head, both simultaneously or off); 8-inch (20.3 cm) brass ceiling mount shower arms; 9-1/2 inch (24.13 cm) ABS shower heads, swivelling with brass ball joints; Easy-to-clean anti-limescale nozzles; Flow rate of 9.5 L/min (2.5 US gal/min).