1Good Tightness: PC water flow meter indicator is provided with silicone sealing ring to prevent water leakage, perfect connection and good tightness. 28 Impeller: Water cooling flow meter adopts 8 impeller design to help you observe the speed and working state of water flow, which is suitable for PC water cooling system. 3Easy to Use: G1/4 thread revolving speed water cooling can be used after installation, and it is easy to operate. 4Beautiful Practical: The water cooled flow meter makes the impeller rotate to achieve beautiful visual effect, and it is very practical. 5Acrylic Material: The water flowmeter indicator is made of acrylic material, which is rustproof and durable. Item Type: PC Water Flow Meter Indicator Material: Acrylic Scope of Application: PC Thread: G1/4 1 x PC Water Flow Meter Indicator<br><br>1 x Connecting Line