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Fluval · Filter
Fluval Blue AC20 Bio-Foam Filter Insert
Bio-Foam replacement filter insert for the Fluval AquaClear 20 power filter, serving as both mechanical and biological media; its dense 30 PPI foam traps particles and debris while providing an ideal surface for beneficial bacteria to colonize, and it fits aquariums from 5 to 20 gallons in fresh or saltwater.
Price: $4.99 USD
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