Oase BioMaster Orange 30ppi Foam size-25cm These 105c carbons should be

These 105c carbons should be replaced every 4 weeks to ensure peak tank conditions and crystal clear water

This results in a stress-free environment and ensures clear aquarium water

Allotments contains 14

100 or 200 includes two fleece replacement filters

Offers rapid assimilation

Oase BioMaster Orange 30ppi Foam size-25cm These 105c carbons should beThe 30 ppi Replacement Filter Foam for the BioMaster 250, 350, 600, or 850 includes an ultra coarse replacement filter foam. Customize your choice of filter foams to meet the needs of your aquarium. Timing to replace the filter foam varies upon aquarium size and the number of fish and plants.