Marineland Penguin Power Filter Cartridge Aquarium Filter Insert – Size A – 1 Pack

• Each preassembled rite-size and emperor cartridge has a patented ribbed back that evenly distributes carbon for maximum water
• Highest grade magnum carbon removes more pollutants.
• Fits penguin 100 & mini

INGREDIENTS: The Heavy Duty Emperor Filter Cartridge Delivers Two Full Ounces Of Activated Carbon Filtration And 45% More Mechanical Filter. Larger Polyfiber Filler Pad Traps More Dirt. 100% More Carbon.