... manufacture China supplier of fill valve,Toile Tank Fill Valves,Side Inlet Float Valve,Toilet Cistern Inner MechanismFeature specifications: ... tank.Setting1.2-button control plate,2. Dual flush, can be adjusted to 3/6,4/7. ... Designed with very low noiseb- Dual flush for saving water.c- Easy flush volume adjustment.d- Effective shut-off ... any hesitation. Now seize the time!!! Manufacture flush valve