Constructed of metal. Set includes: shower arm, shower head, tub spout, valve trim with diverter and handle. Offered in a varity of finishes. PVD creates a surface that is scratch and tarnish resistant. A pre-installed aerator restricts water flow to 2.5 gallons per minute. Drain assembly included with overflow. Professional installation required. Manufacturer offers limited lifetime warranty. This Product Does Not Ship to California It is not compliant with shower head flow rate regulations (ex