ZRDR CO2 Regulator with Dual Gauge & Solenoid ValvePrecision Pressure Control for Planted Aquariums 🌿 Key FeaturesDual Meter DisplayClear dual gauge display shows both cylinder pressure and working pressure at a glance. High-Precision AdjustmentProfessional sealing technology allows fine-tuning down to one bubble every three seconds. Quick-Connect Bubble CounterSimple quick-plug bubble counter design for easy monitoring and maintenance. Flexible Cylinder FittingCompatible with both side-opening and top-opening gas cylinders via module conversion. Product Specifications
Product Images![]() ![]() ![]() ![]() Frequently Asked QuestionsQ: Which thread interface should I choose?A: Please confirm your CO2 cylinder's thread type (W21.8, CGA320, TR21, M22, G3-4, or G5-8) before ordering, then select the matching option. Q: Can this be used in the US?A: Yes, it supports 100-240V input and is available with a US plug option. Q: How precise is the bubble adjustment?A: The high-precision valve allows fine control down to approximately one bubble every three seconds. Q: What's included?A: One CO2 pressure reducing valve with dual gauge and solenoid module. |