Controls rate and opening and closing of the inlet pipe through the floating of the ball food-grade,, sturdy & long for time service Widely used in: water tanks, water towers, swimming pools, solar energy, toilets, hot water boilers, animal drinking water With automatic control, low self-replenishment and automatic water stop function The for replaces the traditional float for, no electricity, easy to use, long life, low failure rate, and save-water resources, Manufacturer: Msioytog