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- 4 Inches Air Stone Disc Bubble Diffuser Plate for Pond or Large Aquarium100% brand new and high quality.
- Increase oxygen levels, lower CO2, and raise PH.
- It is an important instrument to successfully keep aquatic fish for the respiration process. Durable, washable, and sintered by high temperature.
- The high-temperature sintering process makes the air stone more stable and durable, can be used for a long time.
- Single air stone supply, need match with air pipe and oxygen pump for full usage. Need soaking in the water for about 15mins before use.
- Specification:Material: Mineral Stone + PlasticColor: GraySize: 4 inches Diameter Recommend to use an air pump more than 15W to run it.
- Soak the stone in water for 6 hours before use.
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