Description
💭💭【DUAL PRESSURE GAUGES】This aquarium CO2 regulator features 2 pressure gauges, clearly read the regulator Cylinder Pressure and Outlet Pressure. 💭💭【HIGH-ACCURATE ADJUSTMENT】There is a high-accurate trimmer valve equipped on the CO2 regulator, an Aquarium-specific needle valve, High accurate fine-tuning, able to adjust the output flow rate of CO2 to one bubble per 3 seconds. 💭💭【NON-RETURN BUBBLE COUNTER】The bubble counter comes with a check-valve function, which could prevent water from reversin
