Fluval Foam Blocks perform mechanical filtration, the crucial first stage in the filtration process. The blocks capture large particles and are custom fit to prevent bypass. Enhances biological filtration. For freshwater and marine aquariums. For use with Fluval FX5 External Canister Filter, sold separately.
Internet Price: $21.99 Today's Price: $10.99 (Save 50%)
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Pack of 3 blocks
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