Moen T2812 Rizon Posi-Temp Shower Trim without Valve 2.5 GPM Flow Rate, Chrome lever handles make it easy to adjust the water lever handles make it easy to adjust the water the PosiTemp pressure-balancing control valve (sold separetely) helps maintain water temperature in the shower 3.75" diameter spray head Moenflo xl single function provides wider water coverage than standard shower heads full spray function