For fast cleanups and removal of microscopic particles. Reusable cartridge contains 320 sq inches of surface area. Fits all Magnums.
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.
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