Replace your old toilet with the worlds only ultra-high-efficient toilet. This toilet features patented hydraulic technology which uses only 0.8 GPF (3 LPF). 1 flush thoroughly evacuates the bowl every time and eliminates double flushing. With water consumption that has cut the industry standard in half, this toilet has achieved a quiet, powerful and proven flush saving thousands of gallons with NO change in consumer use or behavior. The flapperless design means no costly flapper, chains or levers to replace and no leaks ever. Also, this toilet virtually eliminates all refill noise as the fill valve is never exposed.