Replacement Airstone - 2" round blue diffuser

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Add some additional oxygen to your pond or aquarium with the Custom Pro 2" (50 mm) diameter Blue Airstone. This durable and long-lasting ceramic airstone diffuses fine bubbles of a ir into the water. The airstone increases the oxygen levels and helps to create a healthy and natural environment for your fish and plants. The airstone fits all standard airline sizes including 3/16" & 1/4" ID. It can be used as replacement for any similar airstone on the market. Whether you have a pond, aquarium, hydroponic system or any other aeration need, the Custom Pro 2"/50 mm Blue Airstone is the perfect choice for you. Show more