Oase 60ppi Replacement Pre-Filter Media Foam for all BioMaster Aquarium Filters - Black - 6 Pack Coflex Made with a protein-rich blend

Made with a protein-rich blend of chicken and trout

a 100% satisfaction guarantee is a proud piece of the Nature's Variety promise

pantothenic acid

a black stand designed for the discerning aquarist

Oase 60ppi Replacement Pre-Filter Media Foam for all BioMaster Aquarium Filters - Black - 6 Pack Coflex Made with a protein-rich blendOASE BioMaster 60ppi Pre Filter Foam Set (6 pack) A set of six ultra fine (60 ppi) foam filter inserts for the OASE BioMaster series. These extremely fine sponges capture the tiniest particles to polish aquarium water and offer a large surface for beneficial bacteria. By replacing the pre filter foams periodically, you support superior water clarity and robust biological filtration in your aquarium.