The Maxwell SE 1.6gpf EL 12" Rough-In Combo features the G002116209 Bowl and G002817009 Tank, designed for efficient water usage and optimal performance. With a flush rate of 1.6 gallons per flush (gpf), this toilet system effectively conserves water while providing powerful flushing capabilities. The 12" rough-in size is compatible with standard plumbing installations, ensuring ease of replacement. Made from high-quality materials, this combo meets industry standards for durability and reliability, making it a great addition to any bathroom.