Fluval Pre-Filter is designed to capture solid waste before it reaches the other media. This prevents premature clogging of finer filters and extends their life, reducing media replacements frequency.
Ideal for medium and coarse filtration. For freshwater and marine environments. For filter models: 106, 206, 306, 406, 105, 205, 305, 405, FX5, 104, 204, 304, 404, 103, 203, 303, 403
Ideally used in the bottom most filter basket - before all other media.
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