OASE BIOPLUS CARBON FILTER SET
- 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
