Material: Made from metal, this water flow indicator ensures long-lasting performance and reliability in your water cooling system. Easy Installation: With a simple and practical design, this flow indicator is easy to install into your water cooling setup. Its compact size allows for seamless integration while providing durable use. Efficient Flow Monitoring: Designed to monitor water flow speed in your cooling system, this device helps prevent overheating by indicating if the pump stops working. Enhanced Cooling Efficiency: Features an 8-blade impeller design that significantly improves cooling efficiency in PC water cooling systems. Compatibility: Widely compatible with most computer cooling tubes and connectors, making it a versatile addition to your setup. Specifications: - Material: Metal - Size Chart: Type A: Length: 4.1 cm, Diameter: 0.6 cm Type B: Length: 4.1 cm, Diameter: 0.8 cm Package Includes: 1 Piece Water Flow Indicator Note: Slight variations of 1–2 cm may occur due to manual measurement.