Durable U Shaped Glass Tube Aquarium CO2 Diffuser Check Valve

Type: Aquarium Carbon Dioxide Monitor
Material: Borosilicate Glass
Suitable For: Long-term CO2 monitoring

Package Included:
1 * Aquarium Carbon Dioxide Monitor

Note:
Please allow minor deviation due to manual measurement.
Due to the difference between different monitors, the picture may not reflect the actual color of the item