Blue Ribbon Pet Products ABL204 Air Stone Carded Air Pump for Aquarium, 4-Inch

it came fast. i plugged it in to my air pump and it bubbles like it should. good price good item.

Stone works just fine and aerates well. Cost was a little higher than I would have liked but was ordering a bunch of things so I threw it in. Cheaper at Walmart but no big deal.

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