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Blue Ribbon Pet Products ABLPLY7 Polyester Floss Bag Filter Media for Aquarium$9.58
This polyester floss is an excellent mechanical filtration media for aquarium filters. Media captures debris and provides a place for bacteria to cultivate. Safe for both fresh and saltwater aquariums, floss media is ideal for use in corner and canister filters.
loose floss material is easily pulled apart and portioned for whatever size filter is being used.