1.6-0.8 Gpf (6.0-3.0 Lpf)10 Year Warranty On Entire Toileteverclean Surface Inhibits The Growth Of Stain And Odor Causing Bacteria, Mold And Mildew On The Surface100% Factory Flu Ush Tested21/4-Inch Fully-Glazed Trapway91/4-Inch X 81/4-Inch Water Surface Area Vitreous China Includes Design Matched Droplets Slow-Close Seat And Cover With Color-Matched Hinges#760140-100.0070A. Seat Model #77010-00.001 In Replacement Parts Section Mounting Hardware Included.