While many air pumps provide the level of performance you need, they're often as loud as a jet engine, which can put a serious damper on how you enjoy your aquarium. Air Pod pumps make use of Penn-Plax's proprietary Sound Canceling Dome technology, which helps to isolate the noise generated by the air pump and dissipate it. The result is one of the quietest full sized air pumps on the market. Rubberized feet and a suspended motor help to dampen noise even further.
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