American Standard 3-in Flushometer in the Commercial Toilet Flush Valves & Repair Parts department at Lowes.com
Flushometers | Flushometer Toilet - Sloan
Flushometer–Valve Toilets | WaterSense | US EPA
American Standard 2234.001.020 Madera™ FloWise® Flushometer Toilet Bowl, White, Elongated Shape, 10 or 12 in Rough-In, 15 in H Rim, 2-1/8 in Trapway | Cooney Brothers
AMERICAN STANDARD Flush Valve Toilet: American Std Madera(TM) FloWise(R), 1.1 Gallons per Flush, Elongated Bowl - 38UP36|2854111.020 - Grainger