Bio-sponge Filter Small


Categories: , Product ID: 6676


Bio-sponge Filter Small

Our round 3.5 inch sponge filter is suitable for small to mid-size aquariums. Used with an external air pump and connected with airline tubing, sponge filters provide the simplest means of biofiltration for an aquarium. Just keep rinsing every few weeks and keep on fish keep’n.


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