Flowmeter Indicator G1 / 4 Thread 6 Impeller 3 Ways for PC Computer Water Cooling SystemSuitable for PC water cooling system. 6 impeller water flow meter, helps you to observe the speed and working states of the water flow. durable to use.With sealing ring, perfect for connection and seal.Easy to install and use. Suitable for PC water cooling system. 6 impeller water flow meter, helps you to observe the speed and working states of the water flow. Easy to install and use. Screw Thread: G1/4 Weight: 43g Color: Black Material: Acrylic + POM size:7.1*4.1*3cm Interface Diameter: 12.9mm Package Contents: 1* water cooled water flow meter Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.