Ecobud Replacement Filter For GentooFine Top Mesh PPF Filter Pre filtration particles like oil. Energising Ceramic Infra red stone (4 14 electromagnetic wave) capable of releasing a high level of energy into the water by vibrating, breaking up and realigning, making the molecules smaller (from 13 20 to 5 6 per cluster), more orderly lined and easier to absorb. Activated Carbon Higher absorption to effectively filters chemicals, bacteria and organic pollutants, helps deodorise. Kinetic