UP Aqua Check Valve For CO2 System

Highlight
-Durable and lasting check valve
-Basic type check valve
-Suitable for air pump use
-Prevents water backflow
Description
Check valves are very important accessories to help prevent backflow when an air pump is switched off. This can save users from flooding their houses with aquarium water.
When the regulators or other Co2 products are set below the water level, it is suggested to use check valve to prevent products from damange.
Instruction of use
1)Attach the diffuser to your air pump
2)Make sure it is facing the right direction