![[Pack of 4] - Penn Plax Aqua-Mist Airstone Sphere 1 count](http://salesshoppers.com/cdn/shop/products/38378_{width}x.jpg?v=1605590016)
[Pack of 4] - Penn Plax Aqua-Mist Airstone Sphere 1 count
![](https://cdn.shopify.com/s/files/1/0013/0410/0927/files/Capture777AAA.jpg?v=1657409201)
- Aqua Mist Sphere Airstone Measures 1 3/16 Inch, 3 cm
- Increases surface agitation
- Accelerates oxygen replenishment
- Helps release carbon dioxide buildup
![](https://cdn.shopify.com/s/files/1/0013/0410/0927/files/Capture888AAA.jpg?v=1657409394)
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