Keep aquarium water free of unsightly debris particles. Simply pull or cut desired amount of Sera Filter Wool and place in your aquarium filter for fast and convenient enhancement of mechanical filtration. Effectively traps fine debris particles to help improve aquarium water quality. Stable fibers resist compaction and can be rinsed and reused several times for long-lasting AND budget-friendly filtration. Filter floss is suitable for freshwater and saltwater filters, including canister filters and wet/dry sump filters.
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