These TRIMendous™ interchangeable bath/shower trim kits from our traditional Princeton® Collection all fit universal valves so you can update your bath/shower trim in minutes without having to replace the valve (sold separately). The FloWise® single function showerhead uses 40% less water and can save a family up to 8,000 gallons a year.Trim KitFloWise® water saving single function showerhead offers 40% savings at maximum 1.5gpm/5.7L/min. flow rate. Metal slip-on diverter spout. Available with m