Oase Filter Fleece for the BioPlus White (2 pack) 406 Pond Matrix is compatible with

Pond Matrix is compatible with all types of wet or wet-dry filters

Attach aquarium hose

18 inches (46 cm)

phosphates are not critical and the allowable concentration is dependent on variables such as nitrate

Whether your tropical community fish tank is freshwater or saltwater

Oase Filter Fleece for the BioPlus White (2 pack) 406 Pond Matrix is compatible withThe Filter Fleece Set BioPlus for the BioPlus 50, 100, or 200 includes two fleece replacement filters Customize your choice of filter foams and fleeces to meet the needs of your aquarium Timing to replace the filter fleece set varies upon aquarium size and the number of fish and plants