Non-return valve 🛡️💧 Check Valve – 2 pcs
A non-return valve designed for aquarium air and CO₂ systems prevents water from flowing back into the hoses and protects the pump or gas regulator from damage. A small but essential component for any ventilation or CO₂ system.
Specifications:
🛡️ Type: Check Valve
📦 Quantity: 2 pieces
💨 Usage: Air hoses / CO₂
🐠 Suitable for freshwater and saltwater aquariums
⚙️ Direct installation on standard hose
Features:
✔️ Prevents water from flowing back into the hoses
✔️ Protects air pump or CO₂ system
✔️ Reduces the risk of water leakage to devices
✔️ Easy to install and use
✔️ Suitable for everyday use in sinks
How to use:
• It is installed between the pump and the tank on an air hose or CO₂
• The correct installation direction is ensured according to the airflow direction.
• It is preferable to install it especially if the pump or device is below the level of the sink.
Important notes ⚠️:
⚠️ Reverse installation prevents airflow
⚠️ It is recommended to check it periodically to ensure it is working
⚠️ This does not replace the need for proper hose installation.
Ideal use:
🫧 Air pumps
🌿 CO₂ systems for planted ponds
🐠 Fish and shrimp tanks
⚙️ Protecting devices from water backflow
Summary:
A simple piece and inexpensive, but it protects your air pump or CO₂ system from the problem of water backflow and damage.