According to American Standard, the H2Options Toilet is the first dual-flush toilet that uses siphonic flushing action (instead of a typical washdown) to scour the bowl with push and pull motions. The fixture has a two-button actuator on top of the tank that lets users choose between a 1-gallon or 1.6-gallon flush. Prices range from $330 to $600 depending on height and bowl shape. American Standard, 800/442-1902,

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