1/2 Inch Float Valve Auto Shutoff for Water Tank Pond Livestock Automatic Fill Valve Brass Construction. Adjustable arm: The float valve has an adjustable arm that can be adjusted over 180 degrees to adapt to different water levels. No power source or pump required, hand tight for leak-free operation.High-Quality Material: The mini float valve with adjustable arm is made of high-quality plastic and brass, providing stability and resistance to rust, with reliable water inlet control performance.Dimensions: The float valve uses 1/2 NPT pipe threads; this is common in the plumbing world and has thread sizes of approximately 1/2 inch with standard washers to prevent leaks. The applicability exceeds that of traditional metal float valves.Wide Range of Applications: Tank float valves are suitable for ponds, chicken coops, livestock watering tanks, aquariums, aquaponics, aquaculture, and hydroponic reservoirs, offering greater adaptability than traditional metal float valves.Packing Quantity: 2 pack of water tank float valves, designed to reduce time spent on water filling and checking water levels, providing effective sealing under high pressure. Features a compact float control design capable of withstanding higher fluid pressures.The water level float principle uses the float ball to control the water inlet valve, maintaining a consistent water level, ensuring adequate water volume and improved water quality.Helps conserve water for cattle drinking by over 30%, reducing wastewater overflow.Color: As shown in picture Material: Plastic + Metal Package Contents: 2 x Float Valve Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual item. Measurement allowance is +/- 1-3 cm.