Aquascape Classic Series Micro Falls Filter Mat for Pond Biological Replacement filter mat for Aquascape Classic MicroFalls (#60016) pond biological filter Measures 10-Inch x 14-Inch x 2-Inch Includes one poly-fiber (1) filter mat Aquascape Filtration Mats are designed and contructed of high quality materials, providing effective filtration to help eliminate unwanted debris from your pond systems Aquascape is passionate about fish ponds and water features, providing innovative and proven products that stand above the competetion