non-return valve

Transparent red check valve for 4–6 mm hoses – Reliable safety for your aquarium

This high-quality check valve is the perfect choice for operating your aquarium accessories safely and efficiently. It fits all standard air or CO₂ tubing with a diameter of 4 to 6 mm and reliably prevents the backflow of water or air. The transparent design with a red inner core allows for easy visual monitoring of the flow – both functional and aesthetically pleasing.

Ideally suited for ventilation systems, CO₂ systems or other applications in the aquarium sector, the valve reliably protects your equipment from damage caused by backflowing water.

✅ For 4–6 mm hoses
✅ Backflow protection for air and CO₂ systems
✅ Transparent design with red core for function monitoring
✅ Easy handling and durable material

Secure your transparent red check valve now – for safe and professional operation of your aquarium equipment!

Manufacturer: Aqualive-Shop