This water flow meter is designed to monitor water flow speed in water cooling systems, helping to prevent overheating in the event of pump failure. Its practical design is simple, compact, and durable, making it easy to install. The green impeller provides clear visual indication of water flow, and the standard G1/4 thread is compatible with most computer and water-cooling system setups. Constructed from premium aluminum alloy, this flow meter offers reliable durability. Dimensions: 3.5cm x 4.4cm x 2.5cm / 1.38" x 1.73" x 0.98" (Approx.) Commonly used in computer water cooling applications. Item Name: Water Flow Meter Material: Aluminum Alloy Thread Size: G1/4-inch Notes: Due to lighting and screen settings, the item's color may vary slightly from the images. Please allow slight variations in dimensions due to manual measurement. Package Includes: 1 x Water Flow Meter