Dual Flush Toilets Columbia One Piece Toilet Side Flush: By using Dual Flush technology the EPA estimates homeowners save up to 25,000 gal. of water a year. How? Use 0.8 LOW flush for liquids & 1.6 HIGH flush for solid waste. Control your water usage to SAVE money & conserve water. Our G-Force high efficiency flush system technology let’s you flush only ONCE! Eliminate the need to double flush. Ergonomic easy height & elongated bowl makes using it safer by putting less strain on your body. Includes coordinating plastic toilet seat & EASY side flush plastic faux chrome button. Measures 27 1/2 in. H x 27 1/2 in. proj.