Ocean Clear 340, Pleated Filter w/Bio Core, Red Sea
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Red Sea 25 Micron Pleated filter cartridge with 3000 sq. ft. BioCore;
Red Sea 25 Micron Pleated filter cartridge with 3000 sq. ft. BioCore. For freshwater and marine tanks up to 150 gallons. Includes 40 sq. ft. pleated micron cartridge and 50 sq. ft. polystrand bio-core for biological filtration in the center core. Provides the highest usable wetted surface area for nitrifying bacteria to eliminate toxic ammonia.