The Vormax plus 1.0gpf/3.8lpf chair height elongated toilet from American standard infuses lysol® toilet bowl cleaner into the water with each flush, freshening the bowl day after day. Vortex technology has been proven to clean the bowl 2x better as a regular toilet, thanks to a unique flushing system that produces a powerful jetted scrub. Cleancurve rim eliminates hidden, hard-to-reach areas where dirt and buildup can collect. Our exclusive ever clean surface inhibits the growth of stain and odor-causing bacteria, mold, and mildew. Backed by an industry-leading warranty, this ultra-high-efficiency toilet uses just 1 gallon per flush and is WaterSense certified for its water-conserving design and performance. Easy to install, it features an elongated bowl and 17-in. Height to ensure comfort and accessibility.