Penn Plax Silent Air B11 Battery Operated Aquarium Air Pump

The Silent Air system plugs into an outlet and monitors for power outages. In the event of a power outage, the SAB11 powers on and provides your fish with vital oxygen. Depending on the batteries used, the SAB11 can provide your fish with an uninterrupted supply of oxygen for 72 hours or more.

Included with each SAB11 is the battery backup unit, airline tubing and a deluxe air stone - just add 2 ‘D’ batteries and you’re ready to go.

The Silent Air system is ideal for aquariums up to 29 gallons in size. For larger aquariums, just add a second SAB11 to your setup.