Toto is the worldwide leader in plumbing, and although they are known for their Toilets and unique washlets, Toto carries everything from sinks and faucets, to bathroom accessories and urinals with flushometers. TOTO ST743S#12 Drake G-Max 1.6 GPF Toilet Tank is designed for use with the Drake bowl. The Drake tank includes a tank to bowl gasket, tank to bowl hardware, and toilet bolt caps. The Drake tank features TOTO's G-Max flushing system which features a 3” wide flush valve, extra-large siphon jet, and a large trapway. This reliable combination generates a powerful cleansing flush with 1.6 gallons of water.