1PC Self Weighted Quick Sink Single Membrane Air Diffuser Pond Aerator System

  

Made of high-quality rubber diaphragm and heavy-duty 304 stainless steel base, this aeration diffuser is durable with low maintenance. Quick self-sinking diffuser could sink to the bottom of ponds or lakes, stable and steady, without extra force. Produces a high volume of multiple bubbles to mix the oxygen in the water and improve water circulation.

And free return or replacement within 30 days. If you have any problems.

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