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OASE 4 Carbon Filters for the BioPlus

$15.99
  • The Carbon Filter Set 4 BioPlus for the BioPlus 50, 100, or 200 and BioPlus Thermo 50, 100, or 200 includes four replacement activated carbon filter foams
  • Safely regulates the pH value and water hardiness
  • Activated carbon absorbs unwanted substances in aquarium water
  • Customize your choice of filter foams to meet the needs of your aquarium
  • Carbon filter foams make replacement much simpler than common granular forms
  • Timing to replace the filter foam set varies upon aquarium size and the number of fish and plants