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Save an extra 20% off your entire order with coupon code: May20
*May exclude certain brands.
**May not be combined with any other offer.
Code expires 5/23/13
The Penn-Plax Aqua-Mist Airstone creates a dazzling underwater scene. Increases surface agitation, accelerates oxygen replenishment and helps release carbon dioxide build-up. The Penn-Plax Aqua-Mist Air Stone is cube shaped.