Aquael Check Valve

The Aquael Check Valve is a compact and reliable aquarium safety valve designed to prevent backflow of water into air pumps and low-pressure CO2 systems. In case of power failure or pressure drop, it stops reverse siphoning, protecting sensitive equipment from damage. Compatible with standard 4/6mm airline and CO2 tubing, it installs easily inline within aeration or carbon dioxide systems. Ideal for freshwater and planted aquarium setups, this essential component ensures safe and stable operation of air pumps, sponge filters, and DIY CO2 systems.

Technical Specifications

• Product Type: Aquarium Air / CO2 Check Valve
• Function: Prevents backflow / reverse siphoning
• Tubing Compatibility: Standard 4/6mm airline & low-pressure CO2 tubing
• Installation: Inline on tubing
• Application: Freshwater aquariums, planted tanks, aeration systems, DIY CO2 setups
• Material: Durable plastic housing

FAQ

1. Can this check valve be used in CO2 systems?
Yes, it is suitable for low-pressure CO2 setups and helps prevent water from entering the regulator or CO2 equipment.

2. Why is a check valve important for air pumps?
It protects the air pump from water damage during power cuts or pressure drops.

3. Is it compatible with standard tubing?
Yes, it fits standard 4/6mm airline and CO2 tubing.

4. Where should it be installed?
It should be installed inline on the tubing, preferably above the water level for maximum safety.