Matala pond filter media is an advanced media for today’s serious pond enthusiast. Matala is practical and versatile. The open 3 dimensional structure of this filter pad promotes healthy water conditions and ease of cleaning in most non-pressurized filter designs. The different colors of the Matala media represent different densities. Using the different colors of Matala’s filter media in your filter allows your filter to capture solids at different stages with efficiency and ease.