General description If the filter foams of your pond filter are damaged or need replacement, this complete set of 4 sponges (2 coarse and 2 fine) serves as original parts for easy exchange. These sponges are suitable for the CBF-350C pond filter and can also be used with CBF-350 (A/B/C) models. Technical specifications Dimensions: 230 x 85 x 200 mm Weight: 0.084 kg Package dimensions: Height 95 mm, Length 235 mm, Width 200 mm Spare part number: 50108-08 Filter sponge density: 22±5D-90±5D Pore density: 10PPI-80PPI Material: Polyurethane (activated carbon can be added) Color: Yellow/blue Usage High opening rate for efficient filtration. Good air permeability for optimal performance. Flexible design for easy handling. Harmless to humans and environmentally friendly. Water-resistant with strong drainage after immersion. Reusable, easy to clean, and does not cause secondary pollution. Applicable in various settings including air conditioners, vehicle air filters, aquarium filters, and