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The Penn-Plax Silent Air B11 Auto/On Battery Powered Air Pump is a powerful and versatile aquarium air pump that provides continual oxygen flow during a power outage or when there is any interruption to your AC power
Stand Dimensions: 17
3 inch D x 10 inch L
Automatically tests seawater for Alkalinity
Thiamine Mononitrate
Penn-Plax Silent Air B11 Auto/On Battery Powered Back-up Air Pump bulk food The Penn-Plax Silent Air B11The Penn Plax Silent Air B11 Auto On Battery Powered Air Pump is a powerful and versatile aquarium air pump that provides continual oxygen flow during a power outage or when there is any interruption to your AC power. It will provide enough air for most aquariums up to 55 gallons. The Silent Air B11 uses two "D" batteries (not included) and will run up to 48 hours continuously. The Silent Air B11 will automatically turn on whenever a power outage is