REPLACEMENT FILTER CARTRIDGE: Pack of 6 cartridges fits Marineland Penguin Power Filters 75 and 100.
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.
Marineland Penguin Rite-Size Cartridge A 6 pack