[Wyin Aqua] Metal Check Valve 6mm for Aquarium – Aluminum Alloy Aquarium Check Valve (Suitable for Airtube and CO2 Tube)

The WYA AQUA Metal Check Valve is a compact and durable one-way valve designed to prevent water from flowing backwards through your aquarium air line. Made from gun-grey aluminum alloy with a secure push-fit connection, it provides a neat and reliable connection for aquarium tubing while helping protect your air pump and equipment from backflow.

With its 6mm push-fit connections, compact 46mm design and stable self-locking construction, it is easy to install and suitable for a wide range of aquarium setups.

Features

• Prevents Backflow – One-way flow design helps prevent water from flowing back towards your air pump.
• Durable Aluminum Alloy Construction – Strong and compact metal body designed for long-term aquarium use.
• 6mm Push-Fit Connection – Quick and convenient connection without complicated installation.
• Secure Self-Locking Design – Helps keep tubing firmly connected during operation.
• High Sealing Performance – Designed to provide a secure connection and minimize leakage.
• Clear Flow Direction – Directional arrow on the valve makes installation straightforward.
• Compact Design – Only approximately 46mm long, making it easy to fit into aquarium equipment setups.

Suitable for

• Aquarium air pump systems
• 6mm aquarium tubing
• Freshwater aquarium setups
• Planted aquariums
• Fish tanks and aquascaping systems
• Other aquarium applications requiring one-way flow protection

Installation

1. Check the flow-direction arrow on the valve.
2. Insert the 6mm tubing firmly into the push-fit connector.
3. Ensure the tubing is securely locked before operating your equipment.
4. Install the valve with the arrow pointing in the direction of water/air flow.

Note: Please ensure your tubing matches the 6mm connection size before purchasing.