Quiet Aeration: Give out noise less than 45 dB like the low hum of a refrigerator. It will neither disturb your sleep indoors nor scare the fish away when fishing outdoors. Air Pump Aquarium. Aquarium Size 20-120 L 20-120 L 20-75 L 20-75 L 12-75 L 100-1000 L 100-1000 L.
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