When you keep fish in your fish tank or in pond in your backyard, you have to realize that oxygen is one of the most key factors to affect fish 's living. So besides a qualified oxygen pump, we recommend you to buy this bubble wall air stone bar 's durable in use, and will efficiently transport oxygen into water, increasing dissolved oxygen volume of the water, providing fish with a comfortable and fresh living environment. Specifications: Item name: Bubble Wall Air Stone Bar Material: Hard Plastic Color: Blue Diameter: Φ10mm Length: 7inch/ 17.8cm There might be some deviation due to manual measurement. Package Information: Package size: 24.5 * 6.5 * 3cm / 9.6 * 2.6 * 1.2in Package weight: 21g Package List: 1 * 7 Inch Bubble Wall Air Stone Bar.
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