Fluval G3 Fine Pre Filters are designed for daily use with marine aquariums where suspended debris is minimal, or as a polishing cartridge for standard or fresh water aquariums. Fine mesh traps debris 75ì (micron) or larger for unparalleled mechanical filtering results. Designed as a "no by-pass" system, debris remains caught between each pleat until it is removed and rinsed. Designed for top-loading, quick-release Fluval G3 filtration system.
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