Penn Plax Pp29045 Auto On Battery Backup Air Pump - Silent Air Airpod - All

The Penn Plax Silent Air B11 Battery Powered Air Pump is a powerful and versatile air pump that will aerate your aquarium during a power outage or when there is any interruption to your AC power.A must for any aquarium, the Silent Air assures continuous aeration of your tank giving you peace of mind and keeping your fish safe. This air pump provides your tank with needed air whenever the AC power is interrupted.Whether you have a tripped breaker, a blown fuse or complete power outage, the Silent Air B11 Battery Powered Air Pump will give you hours of needed air when you need it most. Periodically test your Silent Air B11 Pump unplugging the AC cord with the unit ON which should activate your pump. Batteries should be tested and changed as needed.The AC power cord is for power detection only and will not charge your batteries. Requires 2 Alkaline "D" batteries not included that can provide full power for up to 48 hours depending on the life of your batteries. Length of operation with battery power will vary depending on the quality and age of the batteries used. Placing unit on a shock absorbing surface will minimize vibrational noise.FeaturesProvides enough air for most aquariums up to 55 gallonsCan be used for transporting fish or for use in temporary tanks while cleaning your aquariumDesigned for extended operation - uses two large "D" size batteries for up to 48 hours of use5 ft. power cord for easy placement