The TOTO Drake Two-Piece Round 1.6 GPF Toilet offers a high-profile design and is powerful and durable enough to work within both residential and commercial applications. The Drake utilizes TOTO's G-Max flushing system which features a 3'' wide flush valve, extra-large siphon jet and a large trapway. The Drake bowl and tank set includes a tank to bowl gasket, tank to bowl hardware and toilet bolt caps. This reliable combination generates a powerful cleansing flush with 1.6 gallons of water. This version of the Drake comes with a right-hand chrome trip lever. Vitreous china construction Floor mount installation Water Use: 1.6 GPF Right hand chrome trip lever handle 12" Rough-In Round front bowl and tank Minimum Water Pressure: 8 PSI G-Max flushing system Close coupled round front bowl, tank set and less toilet seat Codes/Standards Meets and exceeds ASME A112.19.2/CSA B45.1 Certifications: IAPMO (cUPC), State of Massachusetts , City of Los Angeles and others Code compliance: UPC, IPC, NSPC, NPC Canada and others Key Features & Innovations G-Max We take pride in the fact that our toilets are not only beautiful to look at, they have inner beauty as well. It's there in our high-performance flushing systems, our specially designed trapways.