Emergency battery air pump

Performance & sizing

Core numbers for matching this unit to your tank and electrical plan.

Power

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Flow rate

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Noise

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Dimensions

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Price range

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Tank fit (L)

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Consumables & maintenance

Rinse mechanical media on a regular schedule; replace biomedia and cartridges per the manufacturer (often many months apart).

Description

An emergency battery air pump automatically activates during a power outage to maintain oxygen levels in the aquarium. It is a critical piece of backup equipment for any fish keeper. Most models switch on automatically when AC power is lost.