Oase BioMaster Orange 30ppi Foam size-25cm 100 or 200 includes two

100 or 200 includes two fleece replacement filters

Your fish will grow at a healthy pace and develop their true

More likely

Compact filter with large filter surface – Multi-staged mechanical and biological filtration provides clear

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

Oase BioMaster Orange 30ppi Foam size-25cm 100 or 200 includes twoThe 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.