Python No Spill Clean and Fill Aquarium Gravel Tube, 24-Inch

Penn-Plax Cascade Power Aquarium Filters Bio-Sponge 300 (3 Pack / 6 Filters)

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Replacement Bio Sponge for the Cascade Hang On 300 power filters. Sponge is ideal for growing beneficial bacteria.

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Product Review

Replacement Bio Sponge for the Cascade Hang On 300 power filters. Sponge is ideal for growing beneficial bacteria.

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Python No Spill Clean and Fill Aquarium Gravel Tube, 24-Inch