Fangrui Product Details 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 Stable Performance And Resistance To Rust. It Offers Reliable Water Inlet Control For A Better User Experience. Dimensions: The Float Valve Uses 1/2 Npt Pipe Threads, Common In Plumbing Applications, With Thread Sizes Of Approximately 1/2 Inch And Standard Washers To Prevent Leaks. It Offers Broader Applicability Compared To 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. They Are More Adaptable Than Traditional Metal Float Valves. Packing Quantity: 2-pack Of Water Tank Float Valves, Designed To Reduce The Time Needed For Water Filling And Tank Monitoring, Offering Effective Sealing Under High Pressure. Features A Compact Float Control Design Capable Of Withstanding Higher Fluid Pressures. The Float Ball Operates On The Principle Of Water Level Buoyancy To Control The Water Inlet Valve, Maintaining A Consistent Water Level, Ensuring Sufficient Water Volume, And Helping Keep Water Clean. Cattle Drinking Systems Using This Valve Can Save Over In Water Usage, Reducing Wastewater Discharge. Color: As Shown In Picture Material: Plastic + Metal Package Contents: 2 X Float Valve Note: Light Reflection And Differences In Display Screens May Cause Slight Variations In Color Between The Image And The Actual Item. Measurement Allows An Error Of +/- 1-3 Cm.