Aquatop Aquatic Supplies Aquarium Air Pump 2.5 L-Min Blue AC-DC-ONE
Works like a standard air pump, but offers an ingenious design with integral back up battery power.
In the event of a power outage this pump will automatically switch to battery back-up.
An essential piece of aquarium equipment for aquarist of all levels.
Includes airline and airstone.
Batteries not included.
L x W x H: 6 x 3.75 x 1.75