Round Air Stone Disk Bubble Diffuser Airstone Hydroponics Aquarium Fish Tank - 8cm Electronics Operating temperature: -20~60 degree celsius

Operating temperature: -20~60 degree celsius

suitable for everyday use

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Round Air Stone Disk Bubble Diffuser Airstone Hydroponics Aquarium Fish Tank - 8cm Electronics Operating temperature: -20~60 degree celsius1x Air Stone Instructions for use: 1. The product should be left to soak in water for 15 minutes before use. 2. The long term use producing dirt blockage would reduce the bubble; take it out to clean for repeated use. Bubble stone, made by high temperature, durable, good at increasing oxygen levels, high quality filtering, widely used at: (1) fish farms to the eutrophic water environment oxygen, biological cultivation of oxygen. (2) oxygenation in the