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PREMIUM REPLACEMENT FILTER CARTRIDGE: Keeps aquarium water crystal clear and your fish healthy.

PRE-ASSEMBLED - READY TO USE: No assembly required, no mess.

DENSE POLY-FIBER OUTER SHELL: Dual-sided poly-fiber floss removes fish waste and other debris.

REMOVES IMPURITIES: Activated carbon eliminates organic pollutants that can degrade water quality and cloud water.

HANDS STAY DRY: Easy to Install - Easy to Replace - No Need to Get Hands Wet.

OPTIMUM FILTRATION: For optimal filter performance replace cartridge monthly or sooner if heavily soiled and reduced filer flow.

DIMENSIONS: 2.25 L x .5 W x 5 H Inches.   Product may ship in white SIOC packaging depending on demographic region.