High Transparent Crystal, Aquarium Bubble Counter Screw CO2 Bubble Counter Glass Fish CO2 External Gauge

1. High transparent crystal glass, and alkali , .2. High transmittance, convenient for observation CO2 output quantity.3. Using grinding tool, one time ing, avoid manual manufacture error.4. Fine workmanship, from erosion and easy to remember bubble.5. Equipped with suction cup, fixed firmly, not easy to slip, convenient to use.Spec:Condition: Brand NewItem Type: Bubble CounterMaterial: GlassColor: As Pictures ShownWeight: Approx. 71gSize: Approx. 15×4.5×2.5cm/5.91×1.77×0.98inchBubble counter usage:1. When air pipe is covered, put into hot water first, such cover up can be more convenient, has to be set vertically2. Before use, please fill the body with water through the fixing hole of the suction cup, and then insert the suction cup3. After using for a period of time, the refiners may become blocked. Please replace them or soak them in bleach for about three to five minutes before cleaning4. The screw bubble counter is connected to the inlet pipe on the curved side and the outlet pipe on the straight sidePackage List:1 x Bubble Counter2 x Suction Cup