Food grade Quality Float valve Switch for water level controller for Aqua Grand or Kent Grand or any Similar RO Models RO Filters, It Suitable for Kent Grand or Grand Plus and Similar RO Models if the Water Storage Tank is at the Bottom of RO Machine. It detects changes of elevation in the liquid free surface and opens or closes a valve accordingly with the help of Solenoid Valve. Large numbers of small float valves are used in domestic water systems. It automatically regulates the flow and maintains constant level in a service reservoir or elevated tank or stand pipe (pipe that connects main supply to tap directly). It consists of a valve connected to a hollow sealed (ball) by means of a rigid bar, which is mounted on the top of the tank. The valve is connected to the incoming water supply. It is suitable for all kind of domestic water purifiers. It is of Best Quality and with Food Grade material White Valve and Auto Cut Off Switch, Float Switch.