DONGKER Aquarium CO2 Regulator, CO2 System Kit with Dual Pressure Gauges & Check Valve (W21.8) for Aquariums Planted Tanks

• 【High-quality Aluminum Alloy Material】CNC Processing, Corrosion Resistance, High Sealing. High-quality Gaskets Are Used At the Joints to Prevent Air Leakage. Suitable For W21.8 Threaded Interface.
• 【Mini Dual Meter】 The Air Pressure and Flow Rate of the Air Outlet in the Bottle Can Be Quickly Read At A Glance.
• 【Precise Pressure Regulation】 High-precision Fine-tuning Knob Air Pressure Regulating Valve, Accurately Adjust and Control the CO2 Flow.
• 【Convenient Installation】Quick Installation With Quick Plug Interface. Can Be Connected to Air Pipes, Quick Plug Solenoid Valves, and Quick Plug Bubble Counters.
• 【With Check Valve】With Check Valve Function to Prevent Water From Flowing Back Into the Bottle. Can Be Used with CO2 Bubble Counters (optional), Solenoid Valves, Etc.

Welcome to my store, Hope you have a pleasant shopping trip! Features: 1.High-quality aluminum alloy material: CNC processing, corrosion resistance, high sealing. High-quality gaskets are used at the joints to prevent air leakage. Suitable for W21.8 threaded interface. 2.Mini dual meter: The air pressure and flow rate of the air outlet in the bottle can be quickly read at a glance. 3.Precise pressure regulation: High-precision fine-tuning knob air pressure regulating valve, accurately adjust and control the CO2 flow. 4.convenient installation: Quick installation with quick plug interface. Can be connected to air pipes, quick plug solenoid valves, and quick plug bubble counters. Specifications: Color: dark gray Material: aluminum alloy Size: 7cm/2.8" high (excluding CO2 bubble counter), CO2 bubble counter height 8.6cm/3.4" Inlet and outlet aperture: 6mm Working air pressure: 15 MPa Outlet air pressure: 0.3 Mpa Interface specifications: W21.8 Package List: 1 xAquarium CO2 Regulator or 1x Aquarium CO2 Regulator 1x Bubble Counter Notes: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We that is the same as shown in the pictures. 2. Please allow 1-2cm slight dimension difference due to different manual measurement.