• Powerful and ultra-quiet designed pump.
• Increase oxygen in the water and reduce harmful elements.
• In case of long-term power blackout, please use interval air pump mode (change to Lo switch). The device can continue working for approximately 20 hours (under good battery condition).
• Adapted with water-free charging battery made by ISO9000 approved manufacturer.
• Designed with prevention of over-discharge to prolong the life of the battery.
• Can be used with air stones, air pipes or aerating ornaments.

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