1.Pressure type design can ensure positive shut-off with different water pressure and with the function of sound off and anti-siphon.
2.Different refilling plug can be optional, the rate of refilling can be adjusted from 0 to 28%
3.Clip in special design to ensure the height of fill valve fixed.
4.One piece float cup replace the traditional float ball,which can save space and special for installing in the narrow tank.
5.Helical structure, effective to filtrate the dirt in water and easy to clean.