About This

• Perfectly designed and fit the 1580/1840GPH Pressure Koi Fish Pond Filter； Compatible with VIVOHOME 1580/1840GPH Biological Pond Filter；And also Compatible with SUNSUN/Grech CPF-2500/ CPF-3500
• Physical Filtration and Biological Filtration: All the sponge filter media pads can Trap most visible debris particles without restricting water flow, and also the sponge filter pads are helpful for the accumulation of beneficial elements for the fish. Provide biological filtration to Decompose excess damaging substances
• The Filter Media kit contains 2 blue sponges for coarse filtering and 2 yellow sponges for fine filtering;
• Maintenance of the filter pads: The Pads can be rinsed and used repeatedly. Rinse the pads every month every 2 months, Or depending on the reduction of water flow, and replace them every 6 months
• Due to vacuum packaging, it may seem thin, we recommend you soak it in water for 5 minutes before use to the original size