Aquascape® 29010 Signature Series 2500 BioFalls® Filter Mat. This mat is for theSignature Series 2500 BioFalls® Filter. The Aquascape Signature Series 2500 BioFalls® Filter is ideal for filtering ponds up to 2,500 gallons, providing efficient biological and mechanical filtration. Its durable, rotationally-molded, rounded polyethylene shape maximizes structural strength while making it easier to camouflage into your landscape. Able to handle flow rates up to 5,000 gallons per hour, the filter can be installed in a wide variety of applications.