Our Signature Series BioFalls Filter 6000 Mat is the perfect choice for pond owners who want to improve their ponds. This filter mat measures 28.6" x 22.7" x 2" and is designed with long-lasting, effective performance in mind. It is capable of capturing dirt and debris and reducing harmful organics before they reach the pond. Engineered to protect the delicate ecosystem of your pond. With dimensions of 28.6" x 22.7" x 2", our Signature Series BioFalls Filter 6000 Mat can effectively capture dirt and debris, ultimately reducing harmful organics from entering your pond.