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 is durable, with adjustable arm, made of high-quality plastic and brass, more stable and will not rust, has good water inlet control function, brings you a good experience. Dimensions: The float valve uses 1/2 NPT pipe threads; this is common in the plumbing world and has thread sizes of about 1/2 inch with standard washers to eliminate leakage. The applicability exceeds that of traditional metal float valves. Wide range of applications: Tank float valves are suitable for ponds, chicken coops, livestock ponds, aquariums, aquaponics, aquaculture and hydroponic reservoirs, and are more adaptable than traditional metal float valves. Package quantity: 2 packs of water tank float valves, designed to reduce the time of water filling and checking the water tank, sealing effect and high pressure; adopts a smaller float control device, which can withstand greater liquid pressure. The water level floating principle of the float ball is used to control the water inlet and outlet switch to achieve a constant water level effect, keep the water volume sufficient, and the water quality is always clean. The livestock's drinking water is significantly saved by more than 30%, reducing the pressure on sewage discharge. Color: Photo color Material: plastic+metal Package Contents: 2 x Float Valve The above package content only, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm.