Features: The floating ball valves is designed with a beautiful appearance, small size, practical use, and easy installation. It can be used in various systems such as high-levels water tanks, pools, and water towers in industrial and civil buildings. It ensures that your systems maintains a constant water levels while preventing overflows or dry running. The stainless steel water levels controller does not require electricity and is easy to use. Make of 304 food grade stainless steel, this water levels regulator valves is sturdy and enduring, with a large draining capacity. Specifications: Component: Stainless Steel Size: about 4.9x7.2cm/1.93x2.83inch Pressure ranges: 0.2~10KG Screw mouth: 1/2-inch Applicable temperature: 0~100 ℃ Applicable mediums temperature: ≤ 1~80 ° C Working pressure ranges: ≤ 1.0MPa High temperature resistant mediums temperature: -20 ℃~100 ℃ Tap water pressure: 0.3~0.5MPa Package Includes: 1pc Water levels Controller note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.