Airline Check Valve (4x6mm)

Airline Check Valve 4x6mm – Essential Backflow Protection for Aquarium Air Systems

Keep your air pumps and filtration setups safe with the 4x6mm Airline Check Valve, a must-have for any fish room, sump, or multi-tank system. This simple yet effective device prevents water from flowing back through your airline, protecting your air pump and electrical equipment from water damage during power outages or pump failure.

Designed to fit standard 4x6mm aquarium airline tubing, this check valve ensures one-way airflow for reliable, uninterrupted aeration. It’s ideal for use in large tank systems, breeding setups, and professional fish room installations.

Key Features:

• Fits standard 4x6mm aquarium airline tubing

• Prevents backflow and protects air pumps from water damage

• Essential for fish rooms, sumps, and multi-tank systems

• Easy to install and maintain

• Durable, reliable, and suitable for continuous use

Compact, affordable, and essential for any air system, the 4x6mm Airline Check Valve is a simple way to ensure your aquarium setup runs safely and efficiently.