1, High flush speed 2, Water Saving 3, Easy to install and adjust the water level 1, Bottom Entry Fill Valve: T6800A, Material: ABS, POM, EPDMB, Installation height: L1: 189~299mm, L2: 244~344MMC, Thread form: G1/2'', G3/8'', G15/16''D, Certification: UPC, cUPC, Water Mark, Water Conversation CerfiticationE, Water refill rate: 0-36%(can be adjusted) 2, Dual Flush Valve: T8100A. Material: ABS, POM ...