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Hagen Battery Operated Air Pump - HGBOAP can be used as an auxiliary air source when the aquariums main air source fails. It is a reliable back-up air source during household electrical power failure. Also can be used as a portable aerator for fish in transit. - Comes with air stone and 18" tubing - Uses two "D" cell batteries (not included) - Brass cylinder improvement |
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Automatic Backup Air Pump - AP15 Power outages? No problem! This air pump has
a built-in transformer and rechargeable battery. When plugged
into 115VAC, the air pump operates continuously, while keeping
the battery charged. When the AC power shuts off (or is removed
intentionally), it automatically switches to its internal battery
and keeps running. It will also double as a DC air pump for an
unlimited length of time when using an external 12V power source.
Sorry, the internal rechargeable battery is not replaceable.
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