Set of 4 filter sponges (2 yellow, 2 blue) Biological filter 350 Replacement sponges Suitable for ponds and swimming pools

Complete Sponge Set – This replacement set from the brand includes fine and coarse, wide-pored sponges, perfectly suited to the CBF-350 pond biological filter (reference 50107), to restore efficient water filtration and maintain a healthy aquatic environment. [Optimized Pond Filtration] – The sponges provide dual mechanical and biological action, essential for water clarity and the biological balance of the pond, while complementing the functions of systems such as the water pump, water clarifier, or UV water sterilizer. Pond Filtration Accessories – Thanks to their adapted shape and density, these replacement sponges are easy to replace and allow for quick, tool-free maintenance, ensuring consistent and efficient operation of your water filtration system. Compatible Replacement Part – This original set is specifically designed for the CBF-350 pond filter model (reference 50107) and offers guaranteed compatibility with your water treatment system, including pond pump and biological filter. Maintenance Durable and effective – These robust sponges extend the lifespan of the biological pond filter, reduce clogging, and support beneficial bacterial colonization, thus enhancing the effects of the sterilizer, pond skimmer, and water pumps.