[stainless steel water floating valve, no electricity is required]: stainless steel automatic water level control floating valve is made of food grade 304 stainless steel to the safety of water. This water floating valve has exquisite appearance, hard and shell, and has strong friction and impact resistance. The water level floating sub -valve with an automatic water level ball valve can control the water level without electricity. [Full -automatic water level control floating valve]: When the water level drops and the floating ball drops, the water pressure in the water pipe is used to open the sealing of the sealing of the sealing of the silicone in the valve body, and the valve body begins to supply water. When the water level in the water tower rises, use the water pressure in the water pipe to close the inside of the silicone sealing valve on the of the plunger, and the valve body stops working. [Connected to 1/2inch , 3/4inch and 1inch Water pipes, easy to install]: These