Photo 1 of UPETTOOLS Aquarium Air Stone Fish Tank Bubbler Small Nano Air Bubble Stone Super-High Dissolved Oxygen Diffuser Makes Super Tiny Bubbles 2 Inch (No Air Pumps and Air Tube)

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Photo 1 of UPETTOOLS Aquarium Air Stone Fish Tank Bubbler Small Nano Air Bubble Stone Super-High Dissolved Oxygen Diffuser Makes Super Tiny Bubbles 2 Inch (No Air Pumps and Air Tube)Photo 2 of UPETTOOLS Aquarium Air Stone Fish Tank Bubbler Small Nano Air Bubble Stone Super-High Dissolved Oxygen Diffuser Makes Super Tiny Bubbles 2 Inch (No Air Pumps and Air Tube)