Eheim Aquarium Air Diffuser – Fine-Bubble Oxygenation Stone for Aquatic Health

Improve your aquarium’s oxygen levels with the Eheim Air Diffuser – a precision-crafted stone designed to release ultra-fine bubbles and encourage water movement. Suitable for all standard 4mm air tubing, it features integrated airflow adjustment and includes a reliable suction mount for clean, flexible positioning.

• Fine bubbles (~25mm diameter spread) increase oxygen exchange
• Connects easily to air pump tubing (4mm standard size)
• Adjustable air flow setting lets you control bubble volume
• Suction cup mount keeps diffuser positioned securely in tank
• Safe for delicate fish and aquatic plants—gentle stream

Perfect for aquarists wanting to boost oxygenation while maintaining low turbulence. Lightweight, reliable, and efficient—ideal for any tropical, planted, or reef setup.

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