WAVEPOINT AP-400 AIR PUMP (USED) The air pump is working perfectly and has been in use for many years and it's probably not as quiet as a new pump. *NO RETURN* Description: WavePoint Air Pump An efficient and controllable air source for any aquarium application. * Extremely Quiet * Low Energy Consumption * High Airflow Output * Double Outlet Air Pump (on selected model) * With or Without Variety Control AP-400 30-50 gallon aquarium, double outlet, control mode high/low
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