This One-Piece Dual Flush Toilet is so simple yet so genius. One button for solid waste (1.6 GPF) and one button for liquid waste (0.8 GPF). The elongated shaped toilet is made of all-natural fireclay material and comes in white. Siphonic flush system. This unique toilet saves an average family of 4 up to 10,000 gallons of water a year. Includes soft close seat.