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, 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 tank monitoring, with effective sealing performance under high pressure; features a compact float control design capable of withstanding higher fluid pressure. The water level float principle uses the float ball to control the water inlet valve, maintaining a consistent water level, ensuring sufficient water volume and clean water quality. Cattle drinking water usage is reduced by more than 30%, helping lower wastewater discharge. Color: As shown in photo Material: Plastic and metal Package Contents: 2 x Float valve Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. Measurement may vary by +/- 1-3 cm.