The Maxwell toilet is designed with high-quality components such as 3 in. flush valve, dual siphon jet and more. This Maxwell 2-piece toilet operates at 1.28 GPF (4.8 LPF) and offers a comfortable elongated bowl. WaterSense certified, High Efficiency Toilet (HET) to save 20% more water (versus 1.6 GPF/6 LPF toilet) and money.