The RAIJINTEK RJK – FLOW METER is an essential monitoring component for high-performance PC water cooling systems, designed to provide real-time visual confirmation of coolant circulation. Precision-engineered from high-grade, durable POM (Polyoxymethylene) material, this flow meter features a high-visibility spinner that allows users to easily track flow rates at a glance. Equipped with standard G1/4” threads, it ensures universal compatibility and seamless integration with all mainstream radiators, blocks, and pumps. The internal housing is designed to maintain high-flow efficiency with minimal hydraulic resistance. Built to withstand the rigors of long-term custom loop operation, the RJK – FLOW METER offers a sturdy and reliable construction with a user-friendly installation process, making it the perfect partner for enthusiasts looking to ensure the safety and aesthetics of their DIY cooling setup.