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Each preassembled Rite-Size Cartridge filters water through a double thick polyfiber pad which traps more dirt and debris, faster. Up to 100% more pure activated carbon! Makes aquarium water sparkle. Cartridge is packed with 1-oz of super-efficient pure Magnum Activated Carbon...it keeps working longer after most carbons stop.

Each preassembled Rite-Size Cartridge filters water through a double thick polyfiber pad which traps more dirt and debris, faster. Up to 100% more pure activated carbon! Makes aquarium water sparkle. Cartridge is packed with 1-oz of super-efficient pure Magnum Activated Carbon...it keeps working longer after most carbons stop.

Each preassembled Rite-Size Cartridge filters water through a double thick polyfiber pad which traps more dirt and debris, faster. Up to 100% more pure activated carbon! Makes aquarium water sparkle. Cartridge is packed with 3/4-oz of super-efficient pure Magnum Activated Carbon...it keeps working longer after most carbons stop.

Each preassembled Rite-Size Cartridge filters water through a double thick polyfiber pad which traps more dirt and debris, faster. Up to 100% more pure activated carbon! Makes aquarium water sparkle. Cartridge is packed with 3/4-oz of super-efficient pure

Heavy-duty plastic frame with floss and carbon traps dirt effectively. Each pre-assembled aquarium filter cartridge slides easily into place, providing superior mechanical and chemical filtration, and making replacement fast, dry and effortless.

Replacement medium and accessories for your Magnum Canister Filter by Marineland.

The preassembled Emperor Cartridge filters water through a huge, 44-square inch pad. Made of double thick polyfiber, it traps more waste and dirt particles. Inside, each disposable cartridge contains two full ounces of Black Diamond Premium Activated Carbon...the best there is. It works longer and faster to adsorb harmful polllutants which discolor aquarium water and cause odors. Custom designed for the Emperor 280 Filter System and the Emperor Filter System.

The preassembled Emperor Cartridge filters water through a huge, 44-square inch pad. Made of double thick polyfiber, it traps more waste and dirt particles. Inside, each disposable cartridge contains two full ounces of Black Diamond Premium Activated Carbon...the best there is. It works longer and faster to adsorb harmful polllutants which discolor aquarium water and cause odors. Custom designed for the Emperor 280 Filter System and the Emperor Filter System.

The preassembled Emperor Cartridge filters water through a huge, 44-square inch pad. Made of double thick polyfiber, it traps more waste and dirt particles. Inside, each disposable cartridge contains two full ounces of Black Diamond Premium Activated Carb

The preassembled Emperor Cartridge filters water through a huge, 44-square inch pad. Made of double thick polyfiber, it traps more waste and dirt particles. Inside, each disposable cartridge contains two full ounces of Black Diamond Premium Activated Carbon...the best there is. It works longer and faster to adsorb harmful polllutants which discolor aquarium water and cause odors. Custom designed for the Emperor 280 Filter System and the Emperor Filter System.