Replacement coarse filter foam for Biotec 5/10/30.
The Oase Biotec filter foam is a high-quality filter material designed to effectively remove debris and impurities from your pond or aquarium. Made from durable and long-lasting foam, this filter media provides excellent mechanical and biological filtration for crystal-clear water and a healthy aquatic environment. It allows for efficient water flow and provides a large surface area for beneficial bacteria to thrive, helping to break down harmful waste and pollutants.