Deluxe AQUATEK Brass Bubble Counter with Integrated Check Valve for Plant Aquarium
- Use bubble counter to monitor air-flow rate.
- Built-in check valve prevents back-siphoning to protect CO2 system from water damage and flooding during power outage.
- Brass is a highly corrosion resistant material in high humidity environment and has lasting durability and less leakage.
- Air tube tightening nut ensures secure air tube connection and continuous air-flow.