Deluxe Dual gauged CO2 regulator assembly includes bubble counter, solenoid and fine adjust needle control.

CO2 Deluxe Regulator System:

Perfect for calcium reactor and Freshwater Plant CO2 injection applications - It can provide a consistent bubbling rate from as low as 10 bubbles / min and up. This is more than sufficient for most aquaristic applications. But if you require something even more refined & precise, you may upgrade its Precision Needle Valve to a Metering Valve.

Features:
•Built-in bubble counter: great for freshwater applications
•Most compact & sturdy construction
•Solid chrome-plated gas regulator & pressure reducing valve assembly
•Dual gauge pressure indicators
•Industrial-grade Precision Needle Valve (upgradable to Super Precision Metering Valve)
•Integrated 110V Solenoid (Magnetic) Electrical Valve
•Compatible with various sizes of US & Canada CO2 Cylinders (from 12 oz to 20-lb).
•6-Month Prorated Warranty