Adjustable arm: The float valve features an adjustable arm that rotates over 180 degrees to accommodate varying water levels. No power source or pump required; hand-tight installation ensures leak-free operation. High-Quality Material: This mini float valve is durable, constructed from high-quality plastic and brass. It resists rust, offers stable performance, and provides precise water inlet control. Dimensions: Designed with 1/2 NPT pipe threads—standard in plumbing—with approximate 1/2-inch thread size and included washers for leak prevention. Offers broader compatibility than traditional metal float valves. Wide Range of Applications: Suitable for ponds, chicken coops, livestock watering systems, aquariums, aquaponics, aquaculture, and hydroponic reservoirs. Pack Quantity: Includes 2 float valves. Engineered to streamline water filling and tank monitoring, with enhanced sealing performance and high-pressure resistance. Features a compact float mechanism capable of withstanding higher fluid pressure. Operation Principle: Utilizes the buoyancy principle of a float ball to automatically regulate inlet and outlet flow, maintaining a consistent water level and ensuring adequate, clean water supply. Water Conservation: Helps reduce cattle drinking water consumption by over 30%, lowering wastewater volume. Color: As shown in photo Material: Plastic + metal Package Contents: 2 x Float valve Note: Color appearance may vary slightly due to lighting and screen settings. Measurement tolerance: ±1–3 cm.