Marineland Magnum Internal Polishing Filter

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Marineland Magnum Internal Polishing Filters provide complete 3-stage aquarium filtration with an additional water polishing option. This self-contained internal filter is quiet, requires no priming, and has no external tubing.

  • Compact and versatile micron water polishing
  • Powerful 3-stage filtration
  • Crystal clear water overnight

The Magnum Polishing Internal Filter contains a dual-chamber media container, allowing customizable media selection. The included Marineland Rite-Size JH Floss Sleeve removes suspended dirt and particles, while the Micron Cartridge provides fine filtration for crystal clear, polished water. The Micron Cartridge may also be charged with diatomaceous earth (not included) for even more powerful filtration.

Magnum Internal Polishing Filter
Rite-Size JH Floss Sleeve
Black Diamond Premium Activated Carbon


  • 290 GPH
  • Aquariums up to 97 gallons
  • For Rite-Size JH Floss Sleeve
  • 8.5"L x 5.8"W x 11"H