About the product
- REPLACEMENT FILTER CARTRIDGE: Pack of 4 cartridges fits Marineland Emperor PRO Power Filter 450; also fits original Emperor Power Filters 280 and 400.
- EASY TO INSTALL: Pre-assembled cartridges slide easily into place, providing mechanical and chemical filtration and making replacement fast, dry and effortless.
- THREE-STAGE FILTRATION: Mechanically filters water through a pad of double-thick poly fiber.
- CHEMICALLY filtered through Black Diamond Premium Activated Carbon.
- BIO-Wheel technology delivers wet/dry biological filtration for nitrifying bacteria growth.
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