Pre-filter sponge

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

A pre-filter sponge fits over the filter intake to protect small fish, shrimp, and fry from being sucked into the filter. It also traps large debris before it reaches the main filter media. Clean regularly by squeezing in old tank water.