| Brand | Unbranded |
|---|---|
| Type | Solenoid Valve |
| Country of Origin | China |
| Water Type | All Water Types |
Check the listing for details. Stainless Steel Check for Valve for Aquarium CO2 System Anti-Backflow Rust. Condition: New, Made in China. Listed at 10.05 USD. Can prevent the aquarium from the water flowing back, which is caused by the decrease of CO2 pressure,and keep the function and service life of CO2 bottle. Material: Stainless steel. It can protect the power for head from the water flowing back which is caused by power cut.