This 2 inch thick green filter media is perfect for catching small particles of debris while allowing water to flow through freely. It can be used in a variety of applications: as a large pond bio-filter, aquaponics or hydroponic filtration use. This universal filtration media can bend and be trimmed to work however and fit wherever you'd like.

This product improves both water quality as well as clarity. Functions great as a substrate for beneficial bacteria to grow, and is made from 100% recycled materials - so it's great for the environment!  Polishes water in ponds or aquaponic systems, filtering out even fine debris. Best of all this product is easy to clean and extremely durable.