Simple aquarium filter upgrade for under $10! Enjoy added aquarium filtration with the easy-to-install Filter-Max Pre-Filter. Simply attach the versatile pre-filter on powerhead, power filter or canister filter intake tubes to trap aquarium debris before entering the main filter. Foam sponge filter supplements both mechanical and biological filtration. Great for freshwater or saltwater aquariums containing small fish or delicate invertebrates that can be injured by conventional strainer style intake tubes. Includes three fittings (adapters) for vertical or horizontal installation on various powerheads and filter intake tubes.
*Reticulated filter foam for higher flow rates.
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