Description If the filter foams of your pond filter should be damaged or replaced, you will find here the complete set of 4 sponges (2 coarse and 2 fine) as original parts for easy exchange. Suitable for our CBF-350C pond filter SunSun CBF-350B Filter Sponge - coarse Part number 50108-08 Number of packages 1 Dimensions 230 x 85 x 200 mm Spare part for CBF-350 (A/B/C) Weight [kg] 0.0840 Package: Height in mm 95 Package: Length in mm 235 Package: Width in mm 200 CBF-350B Filter Sponge Spare Part Density 225D-905D Density of pores 10PPI-80PPI Pore density Polyurethane (activated carbon can be added) filter cotton color Yellow/blue product performance (1) The opening rate is high. (2) Good air permeability. (4) It is flexible. (5) Harmless to the human body, no pollution to the environment, no peculiar smell. (6) Water resistance, strong drainage after immersion in water. (7) It can be used twice, easy to destroy, and has no secondary pollution to the environment scope of application It is mainly used in the filter layer of air conditioners and the air filter of vehicles, aquarium filters, heat-resistant porous mesh ceramics fired with mesh sponge, nickel alloy mesh sintered after electroplating, cosmetic cleaning, swimming pools can be used as filter materials in metallurgical industry, etc.