Nylon Media Bags are designed for use in all filters. They can be filled with all types of carbons or other granular products. For both fresh and saltwater, these bags are washable and reusable. These are made with specially designed nylon material that maximizes filtration and will not disintegrate in water. · Protects filters from damage caused by loose filter media ·100% nylon drawstring bag to hold all types of filter media · Washable and reusable
