Black Low Rise one piece Porcelain Dual Flush Toilet DUO Double Flush System - integrated top-flush button allows a regular 1.6 Gallon flush, and a water-saving 0.8 gallon flush for those quick trips to the bathroom. Chrome Finish Button - Dual Flush High Button - Dual FlushGloss Black Finish One piece Syphonic Double-Flush system for years of reliable use