Feature(may vary by option.)

●For Oxygen Pumps Only: Great 1-way check valve for most common aquarium air pumps. NOT suitable for CO2 or other high-pressure systems to avoid crack and leak.
●Small & Light: Size: 2.1" L x 0.55" W; Diameter of air holes: 0.12"; Weight: 0.1 oz. Standard ID airline tubing: 3/16". Add little weight to your hose for smooth airflow.
●Ideal Pump Protectors: Prevent backflow of water through the tubing during a power outage or pump pause. Essential accessories for basic aeration setup in your fish tanks.
●Sturdy & Quiet: Made of reliable plastic which can be tightly connected to the hose without air leak. The check valve can endure long-time use without making noise.
●Easy Maintenance: Clean the valve regularly. Please poke it with a slim stick from the inlet side to push it open when it gets clogged inside and restricts air flow.

[Black 6 Pack]

[Red 6 Pack]

[Red 10 Pack]

[Clear 10 Pack]

[Clear 6 Pack]

Description

Aquarium Air Pump Check Valves Red/Clear Clear Plastic One Way Non-Return Check Valve for Fish Tank