Custom designed for the Magnum 220 and 350 micron cartridges and carbon/media container, these filter sleeves reduce accumulation of waste and dirt, ultimately extending cartridge life.
Black Diamond Premium Activated Carbon eliminates discoloration, odors, and impurities...and keeps on doing it long after other carbons quit. Heat-activated bituminous coal-based Black Diamond granules are speci...
Penguin® Filters All Penguin® BIO-Wheel® Power Filters deliver easy, three-stage mechanical, chemical and biological aquarium filtration. Convenient Penguin Rite-Size Filter Cartridges come ready to use with each filter...ready...
Replacement Cartridge for Penguin 170, 200, 330 & 350 Filters