Aquarium CO2 check valve should be used together with CO2 regulator and can help to estimate amount of gas release into your aquarium. This CO2 check valve is designed for screw lock on the CO2 tube.

Description:

• Protect solenoid valve from back flowing
• Use with CO2 regulator to count the quantity of CO2
• Easy to setup and use
• Size (Dia. x L): Approx. 0.8 x 3.2 inch
• Material: Aluminum alloy and acrylic

Package Includes:

• 1x Check Valve