6 PCS Fish Tank Pre-Filter Sponge Roll Cartridge Replacement Filters for Aquarium (22mm)

Premium quality sponge connects to filter prevent debris from entering the filter barrel, extending filter media usage time. Prevent young fish and shrimp from being sucked into the filter tank. Easy to use directly into the water inlet. Good for freshwater and marine environments. Provides efficient water flow with less clogging for long lasting filtration.

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